Shipping note: Ships from South Korea. Estimated US delivery: 10–15 business days. International duties and import fees may apply. See our Shipping & Fulfillment Policy for details.
Description
COSRX The Vitamin C 23 Serum is a high-strength brightening serum formulated with 23% pure vitamin C, Super Vitamin E, and glutathione. It helps improve the appearance of dullness, uneven skin tone, dark spots, post-breakout marks, and early signs of aging while leaving skin looking more radiant and refreshed.
How to Use
After cleansing and toning, apply 2–3 drops to the entire face and gently pat until absorbed. Follow with moisturizer and SPF during the day. Because of its high vitamin C concentration, avoid using it in the same routine as retinol, copper peptides, or other high-concentration actives.
Benefits
Helps brighten dull, uneven-looking skin; supports the appearance of more even tone and reduced dark spots and post-breakout marks; helps improve the look of early fine lines and loss of radiance; leaves skin looking smoother, firmer, and revitalized.
Key Ingredients
23% pure vitamin C (ascorbic acid), Super Vitamin E (tocotrienols and tocopherol), glutathione, niacinamide, adenosine, panthenol, allantoin, and sodium hyaluronate.
Full 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
⚠️ Important: International duties, customs fees, and import taxes are the customer's responsibility and are not included in the product price or shipping cost. Refusing a package at customs or failing to pay import fees may result in a partial refund after deduction of shipping and customs costs. Please ensure your delivery address is complete and accurate in English.
Shipping note: Ships from South Korea. Estimated US delivery: 10–15 business days. International duties and import fees may apply. See our Shipping & Fulfillment Policy for details.
Description
COSRX The Vitamin C 23 Serum is a high-strength brightening serum formulated with 23% pure vitamin C, Super Vitamin E, and glutathione. It helps improve the appearance of dullness, uneven skin tone, dark spots, post-breakout marks, and early signs of aging while leaving skin looking more radiant and refreshed.
How to Use
After cleansing and toning, apply 2–3 drops to the entire face and gently pat until absorbed. Follow with moisturizer and SPF during the day. Because of its high vitamin C concentration, avoid using it in the same routine as retinol, copper peptides, or other high-concentration actives.
Benefits
Helps brighten dull, uneven-looking skin; supports the appearance of more even tone and reduced dark spots and post-breakout marks; helps improve the look of early fine lines and loss of radiance; leaves skin looking smoother, firmer, and revitalized.
Key Ingredients
23% pure vitamin C (ascorbic acid), Super Vitamin E (tocotrienols and tocopherol), glutathione, niacinamide, adenosine, panthenol, allantoin, and sodium hyaluronate.
Full 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
⚠️ Important: International duties, customs fees, and import taxes are the customer's responsibility and are not included in the product price or shipping cost. Refusing a package at customs or failing to pay import fees may result in a partial refund after deduction of shipping and customs costs. Please ensure your delivery address is complete and accurate in English.
Our Story
Born in Southern California. Delivered by our trusted USA-based brand partners. Every piece is handpicked for the woman who moves through the world with intention and grace. Ask me anything — I am always here to help. 🖤
