Niacinamide serum 15% from Cosrx 20 ml

Niacinamide serum 15% from Cosrx description complete care for acne with 15% niacinamide. High concentration serum combines the maximum concentration of niacinamide and the optimal ratios of synergistic ingredients for complete control of acne. How to use: 1. After cleansing, during serum stage, apply a few drops on the skin. Use fingertips to gently massage and absorb the serum, starting from the middle of the face towards the edges 2. Should high concentration serums be used only in the evening? No! 3. This serum can be used in the morning and/or afternoon 3. If applied in the morning, make sure to use with SPF 30 or higher