COSRX
The Vitamin C 23 Serum 20ml
Skin Type: All skin types, especially dull, uneven, or aging skin
Texture: Dual-layer oil-serum with a lightweight, smooth finish
Key Functions: Brightening, anti-aging, antioxidant defense, hydration
Free From: Parabens, sulfates, artificial fragrance
Dermatologist-Tested | Clinically Proven | Non-Sticky Finish | High-Potency Formula
A high-strength antioxidant serum formulated with 23% pure Vitamin C (Ascorbic Acid) to help fade hyperpigmentation, brighten uneven tone, and restore radiance. Enriched with Super Vitamin E (Tocotrienol) and Hyaluronic Acid, it protects against oxidative stress while keeping the skin hydrated, plump, and smooth.
The formula’s unique two-layer structure—an oil layer that prevents oxidation and a serum layer that absorbs quickly and delivers potent results without irritation. Allantoin provides additional soothing benefits, making it suitable even for those sensitive to high concentrations of Vitamin C.
Key Benefits
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Brightens and revitalises dull skin: 23% pure Vitamin C fades dark spots and discoloration
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Improves skin elasticity and smooths texture: Helps reduce fine lines and wrinkles
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Deep hydration: Hyaluronic Acid locks in moisture for a plumper appearance
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Soothes sensitivity: Allantoin calms and comforts irritated skin
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Antioxidant protection: Super Vitamin E defends against environmental stressors
Key Ingredients
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Ascorbic Acid (23%): Fades pigmentation, evens tone, boosts collagen production
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Tocotrienol (Super Vitamin E): 50x stronger antioxidant than Tocopherol
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Sodium Hyaluronate: Hydrates and plumps without heaviness
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Allantoin: Soothes skin and reduces potential irritation
How to use
FAQ
Ingredients
Shipping
Processing Time: 1–2 business days
Estimated Delivery:
- Standard: 2–3 weeks
- Express: 3–5 business days
Returns
Return Window: Within 14 days of delivery
Condition: Unused, unopened, and in original packaging
Report issues (damaged or incorrect items) within 7 days of receipt