COSRX
The Niacinamide 15 Serum 20ml
Skin Type: Oily, combination, acne-prone, All skin type
Texture: Lightweight, watery serum
Key Functions: Oil control, pore minimisation, blemish fading, skin texture refinement
Free From: Fragrance, parabens, phthalates, sulfates, animal testing
Non-Comedogenic Tested | Dermatologist-Tested | High-Concentration Formula
This powerhouse serum is formulated with 15% niacinamide, the maximum concentration for visibly refining pores, reducing excess oil, and improving uneven skin tone. Enhanced with Acetyl Glucosamine (NAG) to gently exfoliate and fade post-acne marks, and Zinc PCA to balance oil-water levels, it delivers total acne control while supporting a clearer, smoother complexion.
The lightweight texture absorbs quickly without stickiness, making it perfect for daily use under skincare or makeup. With Allantoin to soothe and strengthen the skin barrier, it’s ideal for tackling breakouts while maintaining hydration.
Key Benefits
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Minimises pore size and refines uneven skin texture
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Regulates sebum production for long-lasting oil control
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Fades blemish marks and improves overall skin clarity
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Smooths rough patches and calms redness
Key Ingredients
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Niacinamide (15%) – Brightens, refines pores, regulates sebum
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Acetyl Glucosamine – Gently exfoliates and fades hyperpigmentation
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Zinc PCA – Balances oil-water levels and supports skin healing
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Allantoin – Soothes irritation and strengthens the skin barrier
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