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.

COSRX The Niacinamide 15 serum is for those with oily, combination, or acne-prone skin. It is particularly useful for individuals dealing with excess sebum production, enlarged pores, rough skin texture. It optimally combines 15% niacinamide with other ingredients and addresses all stages of acne, from the initial to the final stage, providing a comprehensive care solution.

Target concerns 
- Bumpy skin 
- Sebum oil 
- Pores 
- All stages of Acne 
- Even skin tone 
- Hyperpigmentation

Texture
Light and refreshing, it absorbs quickly without leaving any residue. It's easy to layer under other skincare products or makeup.

How to Use

After cleansing, during the serum phase, apply a few drops to the skin. Use fingertips to gently massage and absorb the serum, starting from the center of the face working towards the edges.

* Highly concentrated serums should only be used in the evening? NO!
* This serum can be used in the morning and/or afternoon.
* If applied in the morning, be sure to use with a SPF of 30 or higher.