Reverse hyper-pigmentation and restore your youth with a powerful skin care serum. C18 is a highly concentrated serum formulated to remove dark spots, hyperpigmentation and even out skin tone. This serum reduces the effects of sun damage and aging while also brightening, hydrating and smoothing your skin. When this special blend of licorice root extract (Glycyrrhiza glabra) and vitamin B3 (Niacinamide) is applied topically, it helps regulate melanin synthesis, therefore brightening skin complexion to reduce dark spots and blemishes where melanin has accumulated in higher concentrations. This special blend is further combined with vitamin C (ascorbic acid), one of the most powerful antioxidants available. Vitamin C works by soaking up free radicals that your skin absorbs from exposure to ultraviolet radiation and environmental pollutants.