COSRX · Korea
Niacinamide 15% Face Serum
$18.00
15% niacinamide serum targets pores, sebum, and uneven tone simultaneously. COSRX's highest-concentration niacinamide formula.
The Story
COSRX waited years before entering the niacinamide serum market because they wanted to launch at 15% — the concentration where clinical data is strongest.