

COSRX The Niacinamide 15 Serum 20ml
COSRX The Niacinamide 15 Serum is a high-strength 15% Niacinamide treatment serum formulated to visibly improve skin tone, control excess sebum, and target blemishes. Enriched with zinc, allantoin, and acetyl glucosamine, it reduces the appearance of dark spots, calms irritation, and refines pores for a smoother, clearer complexion. Despite its powerful formula, it is designed to minimize irritation for daily use.
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