Cosrx The Niacinamide 15 Serum – 20ML

Feel the benefits of Niacinamide without irritation.
(*Based on clinical trials- 30 subjects completed the test.)

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.