The Vitamin C 23 serum

Vitamin C 23 Serum by COSRX

The Vitamin C 23 Serum is a highly concentrated antioxidant treatment formulated with 23% pure L-ascorbic acid (vitamin C) to help brighten and even skin tone while protecting the skin from environmental stress and free radicals. This powerful serum supports a more radiant complexion and helps improve overall skin clarity over time.

Enriched with hyaluronic acid, tocotrienols, and allantoin, it provides hydration and soothing benefits while supporting collagen production for smoother and more resilient skin. Its lightweight formula absorbs quickly, making it suitable for all skin types, including sensitive skin.

Regular use of vitamin C can help enhance skin radiance and protect against environmental damage. For best results, pair with sunscreen during daytime use to maintain skin health and brightness.

✨ Key Benefits

• Brightens and evens skin tone

• Provides antioxidant protection

• Supports collagen and skin hydration

• Lightweight and fast-absorbing

• Suitable for all skin types

✔ Recommended Use

All skin types (including sensitive skin).

How To Use

1. After cleansing, gently shake the bottle.

2. Apply a few drops to the face.

3. Massage gently from the center outward until absorbed.

4. Use once or twice weekly at first, gradually increasing frequency as tolerated.

5. Apply sunscreen during daytime use.

Key Ingredients

Water, Ascorbic Acid (23% Vitamin C), Propanediol, Dimethicone, Tromethamine, Panthenol, Ascorbyl Ethyl Ether, Squalane, Caffeine, Sodium Chloride, Sodium Hyaluronate, Sodium Sulfite, Disodium EDTA, Glutathione, Adenosine, Acetyl Glucosamine, Gardenia Florida Fruit Extract, Allantoin, Dextrin, Tocotrienols, Tocopherol, Elaeis Guineensis Oil, Butylene Glycol, Arginine, Niacinamide, Pentylene Glycol, Alcohol Denat., Helianthus Annuus Seed Oil, Glycyrrhiza Glabra Root Extract, Methyl Trimethicone, Carthamus Tinctorius Seed Oil, Camellia Japonica Seed Oil, Daucus Carota Sativa Root Extract, Beta-Carotene.