Cosrx The Vitamin C 23 Serum 20G

For experienced vitamin C users, Cosrx’s two-layer face serum combines 23% ascorbic acid with antioxidant care for dullness, uneven-looking tone, and dark spots. It is intended for the face and neck and can be worked into a morning or evening routine as tolerated.

• Targets uneven-looking tone: helps improve the appearance of dark spots and uneven tone while supporting a brighter-looking complexion.
• Antioxidant-focused formula: 23% ascorbic acid is paired with ethyl ascorbyl ether, tocotrienols, tocopherol, glutathione, and niacinamide.
• Supports a smoother-looking finish: helps improve the look of fine lines, elasticity, and rough texture, with hyaluronic acid, panthenol, and allantoin included in the formula.

After cleansing, shake lightly once or twice. Apply a few drops, then massage into the skin. Use in the morning and/or evening as tolerated. When applied in the morning, use SPF 30+.

Store upright in the refrigerator at 3–10°C after opening.

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Note:

A patch test on a small area of skin is recommended before full use, especially for sensitive skin.