Introducing The Vitamin C Serum

Clinically proven to deliver superior brightening – without irritating the skin.

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September 18, 2025 9:26am EDT

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SUPERIOR BRIGHTENING. GENTLE FORMULA.

New: The Vitamin C Serum

Breakthrough Brightening. Results in Just One Week.

Not all Vitamin C is created equal. This first-of-its-kind Vitamin C Serum is clinically proven to even tone, defend against environmental damage, and deliver superior brightening* without irritating the skin.

Powered by Advanced TFC8®, it optimizes delivery so stable, gentle Vitamin C – amplified by the antioxidant Ergothioneine – can work at its full potential. Experience rapid results in just one week and healthier-looking, more resilient skin over time.

Gentle enough for even sensitive skin. Powerful in performance.

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AFTER JUST 4 WEEKS

Clinically proven to brighten, even tone, and refine texture

Clinically proven to brighten, even skin tone, and refine texture

*In a 4-week Clinical Trial of 31 m/f, ages 35-70, all with hyperpigmentation, and dull skin, 50% with self-perceived sensitive skin; assessed by instrumental and expert graders

PROVEN TO BRIGHTEN AND PROTECT

Clinically Tested

Backed by AB Science, The Vitamin C Serum delivers visible, rapid improvements in brightness, tone, and skin quality.

39%

improvement in radiance and brightness*

72%

reduction in uneven skin tone*

45%

improvement in skin texture and smoothness*

32%

improvement in firmness.*

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*In an 8-week Clinical Trial of 31 m/f, ages 35-70, all with hyperpigmentation, and dull skin, 50% with self-perceived sensitive skin; assessed by instrumental and expert graders.

INNOVATION THAT PERFORMS

Technology That Stands Out

Vitamin C + Ergothioneine

At the core of this next-generation formula lies a potent synergy: stable, sensitive skin-friendly Vitamin C combined with antioxidant Ergothioneine to enhance its efficacy. Uniquely paired in The Vitamin C Serum, this powerhouse duo is clinically proven to deliver superior brightening results* and more radiant skin.

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Advanced TFC8®

This innovative Vitamin C serum is powered by Advanced TFC8®, our proprietary technology that optimizes the delivery and absorption of key actives while enhancing skin renewal. This cutting-edge technology unlocks the full performance of a gentle Vitamin C for rapid results – without irritating the skin.

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POWERFUL YET GENTLE

Radiance Redefined

	Features stable, gentle, non-irritating Vitamin C (Ascorbyl Glucoside) for daily use.
	Includes antioxidant Ergothioneine to amplify Vitamin C performance.
	Clinically proven to deliver superior brightening results.*
	Rapidly reduces visible dullness, dark spots and uneven skin tone.
	Helps prevent visible signs of damage from sun and pollution.**
	Clean, vegan and formulated for all skin types – including sensitive.

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*In-vitro evaluation on Normal Human Epidermal Melanocytes, assessing the impact of Ascorbyl Glucoside and Ergothioneine on intracellular melanin accumulation following UVA irradiation.
**In-vitro study on Reconstructed Human Epidermis to assess The Vitamin C Serum’s protective effect against oxidative stress from UVA rays and pollution, via reactive oxygen species measurement.

The Vitamin C Serum promotes a brighter, more even complexion while fortifying the skin's defense against oxidative stress—without compromising skin barrier integrity.

— Professor Bader

SIMPLE STEPS TO RADIANT SKIN