男女適用，日夜適用。
維他命B3可維持肌膚穩定性，減慢肌膚老化、色素沉積及各種因刺激而引起的炎症。建立皮膚天然保護、維持理想pH值。
 
Niacinamide Serum #1 evens skin tone, fades pigmentation and most importantly protects and builds the skin’s immune system, resetting the skins protective pH which is essential to correct the acid mantle. Reduces inflammation, sweat pimples and pore blockage.
男女老幼各種膚質皆可使用，最萬用的維他命精華素。
Niacinamide is an essential serum for women, men and adolescents: Niacinamide regulator serum maintains and promotes clear and smooth healthy skin. It can be used day and night with noticeable improved skin results.