The Niacinamide 15 Serum

Total Breakout Care & Oil Control

COSRX’s The Niacinamide 15 Serum is formulated with 15% niacinamide, paired with zinc PCA to deeply refine the appearance of pores, regulate excess sebum, and help reduce the look of post-acne marks. Ideal for oily, combination or blemish-prone skin, it delivers a clearer, smoother, more even complexion with continued use.

How to Use

1. After cleansing and toning, apply a few drops to problem areas or entire face.
2. Pat gently to help absorption.
3. Follow with moisturizer.
Use SPF during daytime.
4. *Patch test recommended before facial use.