Cosrx The Vitamin C 13 Serum 20 ML

COSRX The Vitamin C 13 Serum is a daily brightening serum formulated with 13 % pure vitamin C (ascorbic acid) in a lightweight, non‑sticky, water‑based texture that absorbs quickly. It’s designed to fade dark spots, hyperpigmentation and freckles, even out skin tone, improve dullness and texture, and provide antioxidant protection while also delivering hydration and soothing benefits. Suitable for those seeking everyday vitamin C care with a refreshing feel. 

Key Components
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. 

Indication
Fade dark spots, pigmentation, freckles and blemish marks with consistent use. 
Improve dullness and lack of radiance, leaving skin more luminous.

How to use
After cleansing and toning, dispense a few drops of serum onto fingertips. 
Apply evenly over face and neck. 
Gently pat or massage until fully absorbed. 
Use once daily — morning use is common, but it can be used in the evening too. 
In the morning, always follow with a broad‑spectrum SPF 30+ to protect skin and maximize vitamin C benefits.