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COSRX The Vitamin C 13 Serum 20ml
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13% pure and stabilized Vitamin C blend brightens and evens skin tone
Antioxidant-rich formula targets hyperpigmentation and signs of aging
Rich in hydrating hyaluronic acid and soothing panthenol
Lightweight, non-greasy texture absorbs quickly without pilling
Dermatologist-tested, pH-balanced, and suitable for sensitive skin
Free from parabens, sulfates, alcohol, artificial fragrances; cruelty-free & vegan
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Water, 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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Cleanse your face and apply toner.
(Optional) Shake the bottle gently 1–2 times to mix—some mild fizzing or scent is normal and indicates active vitamin C
Dispense a few drops and gently massage in from the center of your face outward until fully absorbed
Use once or twice daily—typically in the morning before moisturizer and SPF for optimal antioxidant benefits
Patch test first if you have sensitive skin. Begin with alternate-day use and work up to daily as tolerated
Store in a cool, dark place (ideally fridge) and tightly seal after use to preserve vitamin C stability
