The COSRX Advanced The Vitamin C 23 Serum delivers an intensive brightening treatment powered by 23% pure Vitamin C. This high-performance formula helps fade dark spots, refine skin texture, and restore radiance while improving the look of fine lines and early signs of aging.

Enriched with Super Vitamin E, Glutathione, and hydrating ingredients, it leaves skin smoother, firmer, and visibly revitalized with continued use.

Key Benefits

• Brightens dull and uneven skin tone
• Reduces the appearance of dark spots and post-breakout marks
• Improves skin firmness and elasticity
• Smooths fine lines and early aging signs
• Restores a healthy, radiant glow

Suitable For

• Experienced Vitamin C users
• Dull, uneven skin tone
• Dark spots and post-acne marks
• Early signs of aging
• Lack of radiance and firmness

How to Use

After cleansing and toning, apply 2–3 drops evenly to the face. Gently pat for better absorption.

Follow with moisturizer and sunscreen during the day. Avoid using with retinol or exfoliating acids in the same routine.

Product Specifications

Ingredients

Aqua/Water, Ascorbic Acid (23%), Butylene Glycol, Dimethicone, Panthenol, 3-O-Ethyl Ascorbic Acid, Squalane, Sodium Hydroxide, Caffeine, Sodium Hyaluronate, Sodium Metaphosphate, Adenosine, Acetyl Glucosamine, Gardenia Florida Fruit Extract, Allantoin, Dextrin, Tocotrienols, Tocopherol, Elaeis Guineensis (Palm) Oil, Arginine, Niacinamide, Pentylene Glycol, Glutathione, Helianthus Annuus (Sunflower) Seed Oil, Methyl Trimethicone, Carthamus Tinctorius (Safflower) Seed Oil, Camellia Japonica Seed Oil, Daucus Carota Sativa (Carrot) Root Extract, Glycyrrhiza Glabra (Licorice) Root Extract, Beta-Carotene