COSRX The Vitamin C 23 Serum is a highly concentrated serum with 23% pure vitamin C (L-ascorbic acid) to protect the skin from environmental stressors, brighten and even out skin tone. Hyaluronic acid, tocotrienol and allantoin work together to soothe, promote collagen production and hydrate the skin.

Why you'll love it

• 23% pure vitamin C for powerful brightening and antioxidant protection
• Protects against environmental stressors and free radicals
• Brightens and evens out skin tone
• Hyaluronic acid hydrates and plumps the skin
• Tocotrienol promotes collagen production
• Allantoin soothes and calms the skin

Key ingredients

• Pure Vitamin C (L-Ascorbic Acid, 23%) — brightens skin tone and provides powerful antioxidant protection
• Hyaluronic Acid — hydrates and plumps the skin
• Tocotrienol — promotes collagen production and enhances antioxidant protection
• Allantoin — soothes and calms the skin

Recommended for

All skin types, including sensitive skin.

Texture & format

Lightweight serum applied with a dropper. Start with once or twice a week and gradually increase to daily use.

How to use

1. After cleansing, during the serum phase, shake the bottle lightly once or twice from side to side.
2. Apply a few drops to the skin.
3. Use fingertips to gently massage and absorb, starting from the inside of the face working outwards.
4. Always apply SPF in the morning when using vitamin C.

Ingredients

Please refer to product packaging for the full ingredient list.