COSRX The Niacinamide 15 Serum 20ml Dr.Jart+ while individual reactions vary

while individual reactions vary

Users seeking quick

With the purest vitamin C

mildly acidic pH

Hydrating ingredients support the skin during active treatment

COSRX The Niacinamide 15 Serum 20ml Dr.Jart+ while individual reactions varyCOSRX The Niacinamide 15 Serum: The High Strength Brightening Pick for Stubborn Pigmentation COSRX's Niacinamide 15 Serum is a high percentage, no frills brightening serum for users who've outgrown lower strength formulas. At 15% niacinamide (versus the more common 5%), this is a clinical strength dose that targets sebum control, pore minimization, and stubborn pigmentation faster than standard niacinamide products. It's also one of the few Korean