Cosrx

Cosrx the Vitamin C 23 Serum

Cosrx the Vitamin C 23 Serum brightens dull skin, fades dark spots, and delivers a radiant, more even-looking complexion.

£ 16.00£ 21.00 Save 24%

Cosrx the Vitamin C 23 Serum brightens dull skin, fades dark spots, and delivers a radiant, more even-looking complexion.

100% Authentic · Free shipping over £ 75.00

Direct from authorized distributors
Sealed original packaging — batch code visible
Verify your batch number with Cosrx
2× money-back guarantee if not authentic

How to use

- After cleansing and toning at night, apply 2–3 drops to dry skin. - Gently press into face and neck, avoiding the eye area. - Allow to absorb, then follow with moisturizer. - Use SPF every morning; start 2–3 times per week and build to daily as tolerated. - Store in a cool, dark place and keep the cap tightly closed to maintain potency.

Key ingredients

- 23% Pure Vitamin C (Ascorbic Acid): Potent antioxidant that helps brighten and reduce the look of hyperpigmentation - Vitamin E (Tocopherol): Enhances stability of vitamin C and provides environmental defense - Sodium Hyaluronate: Draws in moisture to keep skin comfortably plump - Allantoin: Soothes and helps reduce visible redness from daily stressors - Panthenol (Pro-Vitamin B5): Supports the skin barrier for a supple, resilient feel

Key benefits

- Visibly boosts radiance and evens tone for a clearer, lit-from-within look - Targets dark spots, post-acne marks, and discoloration - Smooths the look of fine lines while supporting a firmer appearance - Lightweight formula absorbs quickly without a greasy residue - Layers well under sunscreen and makeup for daily use