The Niacinamide 15 Serum 20ml
The Niacinamide 15 Serum 20ml
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Clarify and balance your skin with COSRX The Niacinamide 15 Serum—a powerful treatment formulated with 15% niacinamide to help reduce blemishes, control excess oil, and refine pores. Ideal for oily and acne-prone skin, this serum targets breakouts, congestion, and uneven tone for visibly clearer, smoother skin.
Why You’ll Love It:
- High-strength 15% niacinamide to visibly brighten and improve skin texture
- Helps reduce breakouts, fade post-acne marks, and tighten enlarged pores
- Balances sebum production to prevent clogged pores and shine
- Enriched with zinc PCA and acetyl glucosamine for enhanced calming and exfoliating benefits
- Lightweight, fast-absorbing texture that layers well with other treatments
- Suitable for daily use, even on sensitive or reactive skin
Perfect for:
Those with acne-prone, oily, or congested skin dealing with enlarged pores, post-acne marks, or uneven tone.
Ingredients
Ingredients
Water, Pentylene Glycol, Niacinamide(15%), Butylene Glycol, Acetyl Glucosamine, 1,2-Hexanediol, Zinc PCA, Trehalose, Xanthan Gum, Pullulan, Allantoin, Ethylhexylglycerin, Sodium Phytate, Citric Acid, Tocopherol
For the most accurate ingredient list, please refer to the physical product packaging.

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