
The Vitamin C Serum
An advanced, non-irritating Vitamin C serum that rapidly revives dull, tired skin–brightening and evening tone and texture while defending against free radical damage. Formulated with a synergistic blend of Vitamin C and Ergothioneine for clinically proven, superior results. Powered by Advanced TFC8®.
- FREE delivery when you spend over $75
- FREE standard delivery on all auto-replenish orders
- 30 day returns
Deluxe Sample(s)
with every purchase over $200- =

The Vitamin C Serum
- Vitamin C and Ergothioneine work in synergy to deliver clinically proven, superior complexion brightening*
- Rapidly reduces dullness, visible dark spots and uneven skin tone
- Improves skin firmness and visibly smooths fine lines and wrinkles
- Prevents visible signs of damage from sun and pollution
- Contains an ingredient that supports skin oxygenation, known to improve tone, texture, and hydration
- Boosts hydration and promotes a smooth, supple texture
* In-vitro evaluation on Normal Human Epidermal Melanocytes, assessing the impact of Ascorbyl Glucoside and Ergothioneine on intracellular melanin accumulation following UVA irradiation.
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Trial Parameters
- A cushiony, water-light serum that absorbs quickly without tackiness. Non-comedogenic.
- Clean. Vegan. Formulated without fragrance, parabens, silicones, or phthalates.
- Formulated for all skin types, including sensitive skin.
- Housed in a recyclable aluminum Nomad
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Free From List
How To Apply
Apply to clean, dry skin in the morning and evening.
- Step 1: Dispense 2 pumps into hands.
- Step 2: In upward sweeping motions, smooth over the face, neck and décolleté until fully absorbed.
- Step 3: Follow by applying your Augustinus Bader moisturizer, eye cream and SPF.
Clinically Proven Results

User Proven Results

Key Ingredients
Augustinus Bader skincare is formulated with high-potency botanical ingredients and sustainably-produced, clean actives, where possible.
THE VITAMIN C SERUM
Powered by our proprietary Advanced TFC8® technology and featuring a synergistic blend of Vitamin C and Ergothioneine clinically proven to deliver superior complexion brightening.
Swipe to see key ingredients
Complete Your Routine
With this formulation, we have incorporated our next-generation Advanced TFC8® technology to more precisely guide potent antioxidants–including a highly stable form of Vitamin C and Ergothioneine–into the skin for optimized absorption and enhanced efficacy. The Vitamin C Serum promotes a brighter, more even complexion while fortifying the skin's defense against oxidative stress—without compromising skin barrier integrity. We’ve developed an intelligent, high-performance solution powered by our proprietary, biomimetic delivery system that yields immediate and long-term benefits, even for sensitive skin.”


Frequently Asked Questions
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