A high-potency 20 mL antioxidant serum with 23% pure ascorbic acid for experienced vitamin C users seeking concentrated brightening care.

Why it is used:

Used to improve the visible look of dullness, uneven tone and dark marks while supporting a brighter, more radiant complexion.

Key ingredients and formula:

Pure ascorbic acid 23% is combined with ethyl ascorbyl ether, vitamin E, betaine, panthenol, birch juice and adenosine.

How to use:

Fit and lock the dropper before first use. Apply 2–3 drops after cleansing and toner, preferably in the evening at first, then moisturize. Begin every other day and increase only as tolerated. If used in the morning, finish with sunscreen. Keep tightly closed and away from heat and direct light.

Potential side effects and precautions:

A 23% pure vitamin C serum may cause temporary tingling, warmth, redness or dryness. Introduce gradually and avoid combining it in the same routine with retinoids or strong exfoliating acids if the skin is sensitive. Stop use if irritation is severe or persistent.

Disclaimer:

Cosmetic product for external use only. It is not intended to diagnose, prevent or treat a medical condition. Individual results vary. Stop use if marked or persistent irritation occurs.