The Numbuzin No. 5 Vitamin Boosting Essence Toner is a multifunctional, essence-like toner that nourishes the skin with a highly effective combination of vitamins, antioxidants, and brightening agents. With 50,000 ppm niacinamide, 3-O-ethyl ascorbic acid, and arbutin, it helps reduce hyperpigmentation and even out skin tone. The glutathione liposomes and Madewhite™ promote skin regeneration and give a radiant complexion. The light, moisturizing texture absorbs quickly and is ideal for daily use. Especially recommended for dull, tired, or uneven skin.