Tunemakers Niacinamide Extract Serum S10-32 10 ml

·5% high-concentration niacinamide stock solution essence. ·Brightening skin active ingredients. ·It is stable and non-photosensitive, so it can be used safely during the day. ·The concentration works efficiently without irritating the skin. ·Transparent water, refreshing and easy to absorb. How to use ·Use alone, apply directly to facial skin after cleansing. ·Mixed use, add to daily lotion and mix use.