A 30 mL dropper bottle of HydroPeptide Syner-C+ Brightening Serum in a light periwinkle blue color with a white dropper cap, shown on a solid white background.

A light blue dropper bottle labeled HydroPeptide Syner-C+ on a clean white background, surrounded by four translucent spherical props casting soft shadows.

A close-up of HydroPeptides Syner-C+ glass dropper containing a transparent golden liquid, with one droplet falling below and a blue cap visible at the top against a light gray gradient background.

Hydropeptide

Syner-C+

Name: Syner-C+
Brand: Hydropeptide
Price: 259.95 AUD
Availability: InStock

20% stabilized Ethyl Ascorbic Acid with Tranexamic Acid and Niacinamide to brighten, firm, and protect.

$259.95

Complete your routine

Syner-C+

$259.95

Targets / Benefits

• Accumulated pigmentation and dark spots
• Uneven skin tone and discoloration
• Loss of firmness and sagging skin
• Dullness and lacklustre complexion
• Photoageing and environmental damage

Why You'll Love It

This serum represents a genuine next-generation approach to brightening. Most Vitamin C serums rely on unstable L-ascorbic acid that oxidises quickly, loses efficacy, and irritates sensitive skin. Ethyl Ascorbic Acid is stabilized, meaning it remains effective throughout the bottle's life and penetrates more efficiently without the irritation. The 20% concentration is therapeutically significant — high enough to drive real results without destabilising the formula. Tranexamic Acid doesn't just cosmetically cover discoloration; it interrupts the biological pathways that create excess pigment in the first place, making this especially effective for stubborn age spots, post-inflammatory hyperpigmentation, and melasma-prone skin. Niacinamide strengthens barrier function while Arbutin provides targeted support for the most resistant pigmentation. The patented Micellar CellRenew-16 peptide isn't just hydrating — it's actively supporting collagen production and skin firmness, so you're not just brightening, you're lifting and firming simultaneously. The lightweight texture means this serum layers beautifully under your moisturiser or other actives, or stands alone as your treatment step. Use morning and night. Results compound over time — expect visible brightening and more even tone within 4-6 weeks of consistent use. This is brightening at the cellular level, not just surface cosmetics.

How To Use

Dispense 3-4 drops into hand and apply directly to skin or mix with your preferred serum or moisturizer. May be used AM & PM. For best results, apply to clean, dry skin before moisturiser. Can be layered with other serums. Avoid contact with eyes. If irritation occurs, reduce frequency to 2-3 times weekly until skin adjusts.

Full Ingredient List

Water (Aqua), 3-O Ethyl Ascorbic Acid, Niacinamide, Pentylene Glycol, Sodium Citrate, Butylene Glycol, Methyl Gluceth-20, Propanediol, 1,2-Hexanediol, Tranexamic Acid, Panthenol-16, Arbutin, Acetyl Dipeptide-16, Aminobutyl Methoxybenzoylbenzoate, Hydroxymethyl Urea, Citric Acid, Capryl Glycol, Phytic Acid, Glycerin

All reasonable efforts have been made to ensure that ingredient listing, product images and other information for products displayed on this website are up to date, accurate and complete. However, we still recommend that you please check the ingredient listings on a product packaging before use.

Skin Types

Aging & sagging skin

Pigmented & discoloured skin

Dull & tired-looking skin

Key Ingredients

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

3-O Ethyl Ascorbic Acid

A highly stable Vitamin C derivative that helps visibly brighten skin, even tone, and supports collagen production while protecting against oxidative stress and environmental damage.

Micellar CellRenew-16

A patented peptide delivery system that enhances hydration and supports collagen for firmer, smoother-looking skin while improving overall skin vitality.

Niacinamide

Helps improve uneven tone, reduce the appearance of dark spots, strengthen the skin barrier, and defend against environmental stressors.

Tranexamic Acid

Helps reduce the appearance of dark spots and uneven tone by interrupting pathways involved in excess pigment formation and inflammation.

Arbutin

Works to visibly fade hyperpigmentation and discoloration by inhibiting tyrosinase activity, promoting a more even and radiant complexion.

Your questions, answered by your NP

Syner-C+ - everything you need to know before you buy.

What makes this different from other vitamin C serums?

The active form of vitamin C matters more than the percentage alone. Most vitamin C serums use L-ascorbic acid, which is unstable, oxidises rapidly in the bottle, loses efficacy, and irritates sensitive skin before it can work. Syner-C+ uses 20% stabilized Ethyl Ascorbic Acid — a derivative that doesn't oxidise, remains bioavailable throughout the bottle's life, and penetrates more efficiently without the irritation profile. But the real differentiation is what works alongside it. This serum combines the vitamin C with Tranexamic Acid — which doesn't cosmetically mask pigmentation, it interrupts the biological pathways that create excess pigment in the first place. Add Niacinamide for barrier strengthening, Arbutin for targeted hyperpigmentation support, and the patented Micellar CellRenew-16 peptide for collagen activation and lifting, and you're not just brightening — you're simultaneously firming, strengthening barrier function, and addressing the underlying causes of dull and pigmented skin. Most vitamin C serums hydrate and hope. This one actively corrects.

Is Syner-C+ suitable for sensitive skin?

Yes — the stabilized Ethyl Ascorbic Acid format is significantly gentler than L-ascorbic acid, and the absence of harsh exfoliating acids (unlike many brightening serums) means sensitive skin tolerates it well. That said, vitamin C in any form is an active, and sensitive skin should introduce it gradually — start with two to three applications weekly, then increase to daily use as tolerance builds. The Niacinamide component actually supports barrier recovery, so as your skin adjusts to the vitamin C, the formula is simultaneously calming any irritation. If you have extremely reactive or compromised barrier function, you might pair this with the BIOME+ Smoothing Cloud Crème or the ORMEDIC Biopeptide Crème to build tolerance more gradually. Contact me if you want a personalised introduction protocol.

Where does this sit in my routine?

Apply to clean, dry skin as your treatment serum — after cleansing, before moisturiser, morning and evening. It works beautifully layered with other serums: apply Syner-C+ first, let it dry (thirty seconds), then layer your hydrating serum or targeted treatment. The lightweight texture means it doesn't interfere with subsequent products. If you're using other actives like retinol or chemical exfoliants, you have two options: alternate nights (vitamin C morning, retinol evening), or apply them to different areas (vitamin C to face and neck, retinol to face only if you're concerned about over-treatment). Most clients use this morning and evening, which is actually optimal because brightening serums compound with consistency — morning and night use shows results faster than once-daily application.

When will I see results?

Four to six weeks of consistent twice-daily use is the realistic timeline for visible improvement in dark spots, overall brightness, and more even tone. This is consistent with the biology of pigmentation — existing melanin deposits in the skin take time to clear, and the serum needs consistent daily application to interrupt ongoing melanin production. Don't expect overnight transformation; expect genuine cumulative improvement. Clients using this during or after a chemical peel or microneedling cycle often notice faster improvement in post-inflammatory marks than topical brightening alone, because the accelerated cell turnover from the procedure works alongside the serum's melanin inhibition. After four to six weeks, results continue to deepen — but the visible shift from "dull and uneven" to "bright and clear" is the first-month benchmark.

Can I use it during pregnancy or breastfeeding?

Yes — this is one of the very few comprehensive brightening serums I can recommend without qualification during pregnancy and breastfeeding. The ingredients are all considered safe for topical use in this period: stabilized vitamin C derivatives, Tranexamic Acid, Niacinamide, Arbutin, and the peptide complex all have safety data supporting use during pregnancy. There is no retinol, no high-concentration glycolic acid, no hydroquinone. Pregnancy commonly triggers melasma and pigmentation changes at exactly the time most brightening actives become off-limits, and Syner-C+ is genuinely valuable in that context — you can address pigmentation concerns without restriction. If you're pregnant and dealing with melasma or post-inflammatory marks, this is the serum I'd recommend.

How does it compare to other brightening serums — which one should I choose?

The choice depends on your skin type and concern priority. If your primary concern is active inflammation alongside pigmentation, the IMAGE ILUMA Intense Brightening Serum (botanical complex, gentler vitamin C derivatives, azelaic acid) is excellent and pregnancy-safe. If your concern is stubborn, established hyperpigmentation and you want the most potent vitamin C delivery available, Syner-C+ is the higher-intensity choice — the stabilized Ethyl Ascorbic Acid penetrates more deeply, and the Tranexamic Acid specifically targets the melanin-production pathways that create those persistent dark spots. They're not competitors; they're different intensities for different needs. If you want to layer them for maximum brightening effect over time, morning Syner-C+ (vitamin C + melanin inhibition) and evening ILUMA (botanical calming + additional brightening) creates a comprehensive protocol that addresses pigmentation across multiple pathways. Contact me for a personalised recommendation based on your specific pigmentation concern.

How long does a bottle last?

At 30ml with 3-4 drops per application, twice daily, the bottle lasts approximately four to five weeks. The 59ml professional size lasts approximately eight to ten weeks at the same application frequency. Three to four drops sounds minimal but it covers the entire face and neck comfortably — this is a concentrated serum, not a hydrating essence, and more product doesn't deliver better results. It actually increases the risk of irritation without speeding up brightening.

Is $259.95 worth it for a vitamin C serum?

The value case is the combination of what this does in a single step. Most brightening serums either hydrate, exfoliate, or brighten — and do one thing reasonably well. Syner-C+ simultaneously brightens (vitamin C + Tranexamic Acid + Arbutin), strengthens barrier (Niacinamide), firms and lifts (Micellar CellRenew-16 peptide), and protects against further photodamage — at every application, morning and evening, in a lightweight format that layers seamlessly into any routine. A basic hydrating serum costs less. A clinical brightening serum that delivers across four different skin-ageing concerns simultaneously — and delivers results visible within four weeks — costs more. The difference is what you get. My 30-day results guarantee means you try it without risk.

YOUR RESULTS ARE GUARANTEED

If you're not seeing visible results within 30 days, contact us. We'll make it right - no hassle, no fine print.