COSRX Advanced The Vitamin C 23 Serum Double Set 20g × 2

COSRX Advanced The Vitamin C 23 Serum Double Set 20g × 2

Product Description (Overview) COSRX Advanced The Vitamin C 23 Serum is a high-concentration brightening serum formulated with 23% pure Vitamin C to help improve dull skin tone, uneven texture, and visible signs of aging. This powerful yet carefully balanced formula supports clearer, more radiant skin while providing antioxidant protection against environmental stressors. The double set offers extended use and better value for daily intensive care.

Key Features

High-strength 23% pure Vitamin C (Ascorbic Acid)

Helps brighten dull skin and improve uneven tone

Supports collagen care for firmer-looking skin

Antioxidant protection against external stress

Minimal, functional formula suitable for targeted brightening care

How to Use After cleansing and toning, apply 2–3 drops evenly to the face, avoiding the eye area. Gently pat until absorbed. Use preferably in the evening. Apply sunscreen during daytime use.

Volume 20g × 2 (Total 40g)

Ingredients: Water, Ascorbic Acid (23%), Propanediol, Dimethicone, Tromethamine, Sodium Hyaluronate, Tocotrienols, Allantoin, Panthenol, Adenosine, Ethylhexylglycerin, 1,2-Hexanediol