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.
£20.97
DeliveryFree shipping over £69.61 · ships in 24h, tracked, 2–4 business days
Returns30-day returns on unopened products
AM & PM
Dry skin
✓ Visa, Mastercard, American Express and Apple Pay accepted
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
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.
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
Shipping & returns
Dispatched within 24 hours, tracked.
Free shipping over £69.61.
The total at checkout is the total.
30-day returns on unopened products. Full refund if your order arrives damaged.
