treatment
The Niacinamide 15 Serum 20 ml
COSRX

No known triggers
15% niacinamide serum with zinc PCA and acetyl glucosamine; our engine finds no triggers in this 15-ingredient list.
Full ingredient list
Water, Pentylene Glycol, Niacinamide, Butylene Glycol, Acetyl Glucosamine, 1,2-Hexanediol, Zinc PCA, Trehalose, Xanthan Gum, Pullulan, Allantoin, Ethylhexylglycerin, Sodium Phytate, Citric Acid, Tocopherol
Checked against dataset v56 · verified 2026-11-08.
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