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The Niacinamide 15 Serum

COSRX

The Niacinamide 15 Serum

Serums

Product form
Serum/Ampoule
Recorded market
United States
Ingredient list
15 label entries
Ingredient research
11 ingredients with selected studies
Explore the formula ↓Where to find it ↗

15 label entries · 12 linked ingredients

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About this product

Product description

Meet a total skin care serum for breakouts and blemishes. The Niacinamide 15 Serum from COSRX is a highly concentrated serum that combines the maximum concentration of niacinamide with optimal ratios of synergistic ingredients for total acne control. Lightweight and non-sticky, this serum will leave your skin radiant, smooth and soothed. Formulated with a pure and high concentration of niacinamide to help fade the look for dark spots and improves skin texture, zinc 1% to treat acne, breakouts and reduce sebum secretion, allantoin .1% to moisturize and soothe irritated skin, and acetylglucosamine 2% to exfoliate, smooth skin and refine texture. Formulated without fragrance, parabens, sulfates, artificial colors, and mineral oil. 20 ml / 0.68 oz

Description from Soko Glam selective skincare · Recorded Aug 9, 2026. Product claims have not been independently verified.

The product, unpacked

Formula

Listed in label order. Position does not establish an exact concentration. Ingredient roles describe possible uses and can vary with the finished formula.

Full recorded ingredient list

We Love 15% Niacinamide Full List of 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

12 of 15 entries are linked to ingredient pages below. Unmatched names remain in the original list above.

Explore the ingredients

  1. 02
    Pentylene Glycol ↗Skin conditioning · Solvent
  2. 03
    Niacinamide(15%) ↗Anti-inflammatory · Tyrosinase inhibitor / brightening · Smoothing
  3. 04
    Butylene Glycol ↗Humectant · Masking · Skin conditioning · Viscosity controlling · Solvent
  4. 05
    Acetyl Glucosamine ↗Skin conditioning
  5. 06
  6. 08
    Trehalose ↗Humectant · Moisturising
  7. 09
    Xanthan Gum ↗Binding · Emulsifying · Emulsion stabilising · Gel forming · Skin conditioning · Viscosity controlling · Surfactant
  8. 10
    Pullulan ↗Binding · Film forming
  9. 11
    Allantoin ↗Anti-inflammatory · Skin conditioning · Skin protecting · Soothing
  10. 12
    Ethylhexylglycerin ↗Deodorant · Skin conditioning
  11. 14
    Citric Acid ↗AHA exfoliant · Buffering · Chelating · Masking
  12. 15
    Tocopherol ↗Antioxidant · Masking · Skin conditioning

Formula provenance

Retailer source · united-states

Recorded Aug 11, 2026

Formula source ↗

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Ingredient research

These studies concern ingredients listed or declared for this product. They do not establish that this exact formula reproduces a study result, dose or delivery method.

Where to find it

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Catalogue sources