COSRX - The Niacinamide 15 Serum

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Brightens and unifies with Niacinamide 15% High-concentration formula targets dark spots and post-acne marks
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Controls sebum and treats acne with Zinc PCA + NAG N-Acetylglucosamine works synergistically to fade hyperpigmentation
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Soothes inflammation and supports skin regeneration Allantoin promotes collagen synthesis + Tocopherol antioxidant protection
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Refines pores and smooths texture without clogging Non-comedogenic • Trehalose + Pullulan • Cruelty-free
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SKIN TYPES Dry • Normal • Combination • Oily • Sensitive • Acne-prone

€23,95 EUR

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Size 20ml

Product variants

Quantity

Out of stock

Full description

COSRX The Niacinamide 15 Serum is a powerful, high-concentration serum formulated with 15% niacinamide and a blend of synergistic ingredients to help treat acne, control excess oil, and visibly reduce dark spots and acne scars. With its non-comedogenic formula, it targets blemishes at every stage for smoother, clearer, more balanced skin.

Key benefits of COSRX The Niacinamide 15 Serum:

Total acne control: combines 15% niacinamide with zinc PCA and N-acetylglucosamine (NAG) to treat existing breakouts, regulate oil, and prevent new acne formation
Sebum regulation: niacinamide and zinc PCA work together to reduce excess oil production and shrink the appearance of congested pores
Fades dark spots: NAG and niacinamide help reduce post-acne marks and hyperpigmentation for a more even skin tone
Exfoliates gently: NAG provides mild exfoliation to smooth rough texture and improve skin clarity without irritation
Soothes inflammation: allantoin helps calm active breakouts and promotes skin recovery
Non-comedogenic formula: won’t clog pores, making it ideal for acne-prone and sensitive skin

skin type:

dry
normal
combination
oily
sensitive
acne-prone

skin concern: blackheads & whiteheads, acne, enlarged pores, blemishes, uneven skin tone

Cruelty-free

How to apply

1. After cleansing, during the serum step, shake the bottle lightly once or twice from side to side and apply a few drops to the skin
2. Use fingertips to gently massage and absorb the serum, starting from the inside of the face working towards the edges

Active ingredients

Niacinamide:
Provides total acne care by controlling sebum production, soothing acne inflammation and diminishing post acne scars
N-Acetylglucosamine(NAG):
Works in synergy with niacinamide to effectively fade hyperpigmentation
Zinc PCA:
Inhibits inflammation and promotes recovery of damaged skin
Allantoin:
Promotes collagen synthesis to facilitate skin regeneration

Full ingredients list

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 recent ingredient list, please consult the product packaging or contact us for a product photo

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COSRX - The Niacinamide 15 Serum