COSRX The Vitamin C 23 Serum 20g

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COSRX Vitamin C 23 serum is a highly concentrated serum that contains 23% pure vitamin C, also known as L-ascorbic acid. Vitamin C is a powerful antioxidant that helps to protect the skin from environmental stressors and free radicals, while also brightening and evening out the skin tone.

In addition to vitamin C, this serum also contains hyaluronic acid, tocotrienol, and allantoin. Which work together to soothe, promote collagen production, and hydrate the skin.

This lightweight formula of the Vitamin C 23 serum makes it suitable for all skin types, including sensitive skin. It’s recommended to start with once or twice a week, gradually increasing to daily use as tolerated. Always use a broad-spectrum sunscreen during the day when using vitamin C products, as they can increase skin sensitivity to the sun.

The COSRX Vitamin C 23 serum is a great addition to any skincare routine, providing the skin with powerful antioxidants and hydration while working to brighten and even out the complexion.

How to use:

  • After cleansing, during the serum phase, shake the bottle lightly once or twice from side to side.
  •  Apply a few drops to the skin.
  • Use fingertips to gently massage and absorb the serum, starting from the inside of the face working towards the edges.


Water, Ascorbic Acid, Propanediol, Dimethicone, Tromethamine, Panthenol, Ethyl Ascorbyl Ether, Squalane, Caffeine, Sodium Chloride, Sodium Hyaluronate, Sodium Sulfite, Disodium EDTA, Glutathione, Adenosine, Acetyl Glucosamine, Gardenia Florida Fruit Extract, Allantoin, Dextrin, Tocotrienols, Tocopherol, Elaeis Guineensis Oil, Butylene Glycol, Arginine, Niacinamide, Pentylene Glycol, Alcohol Denat., Helianthus Annuus Seed Oil, Glycyrrhiza Glabra Root Extract, Methyl Trimethicone, Carthamus Tinctorius Seed Oil, Camellia Japonica Seed Oil, Daucus Carota Sativa Root Extract, Beta-Carotene


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