Product Description (Overview)
The COSRX The Vitamin C 13 Serum is a potent brightening serum formulated with 13% pure vitamin C (ascorbic acid) to target dark spots, hyperpigmentation, uneven skin tone, and dullness. Lightweight and antioxidant-rich, this serum helps even out complexion, boost skin radiance, and support collagen production for a smoother, more youthful glow. Its well-balanced formula minimizes irritation, making it suitable even for sensitive or dull skin needing a brighter, clearer complexion.
Key Features
High-concentration vitamin C (13%) — helps fade dark spots, acne scars, and hyperpigmentation, promoting a brighter, clearer complexion.
Tone-up & brightening effect — improves overall skin tone and reduces dullness for a radiant, more even complexion.
Antioxidant & anti-aging support — with antioxidants like vitamin E derivatives (tocotrienols) and glutathione that protect against free radicals and help reduce signs of aging.
Hydrating and soothing extras — includes hyaluronic acid, panthenol, and allantoin to maintain moisture and minimize irritation often associated with vitamin C.
Texture: lightweight serum — quickly absorbed, layers well under moisturizer or sunscreen without heaviness or greasiness.
How to Use
After cleansing and toning, replace the bottle cap with the dropper. Slight fizzing or scent change is normal due to vitamin C — shake gently.
Apply 2–3 drops of serum onto clean, dry face.
Gently pat or massage evenly across face and neck until fully absorbed.
Follow with moisturizer and — if daytime — sunscreen.
For sensitive skin, patch-test first and incorporate gradually. Store in a cool, dark place to maintain stability.
Volume
20 ml (0.67 fl. oz)
Ingredients:
Water (Aqua), Ascorbic Acid (13%), Butylene Glycol, Dipropylene Glycol, Tromethamine, 3-O-Ethyl Ascorbic Acid, Panthenol, Acetyl Glucosamine, Caffeine, Sodium Hyaluronate, Sodium Sulfite, Disodium EDTA, Glutathione, Adenosine, Gardenia Florida Fruit Extract, Allantoin, Dextrin, Squalane, Tocotrienols, Tocopherol, Elaeis Guineensis (Palm) Oil, Arginine, Niacinamide, Pentylene Glycol, Glycyrrhiza Glabra (Licorice) Root Extract
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