Sothys W Double Lightening Serum, from the Whitening Line, is a lightening care product to unify the skin, give radiance and correct dark spots. - With its dual action pump flask it focuses on the different needs and biological activities of the skin in the prevention of excessive melanin. During the day it helps to inhibit the transfer of melanin and at night it provides a gentle micro-exfoliation to stimulate cell renewal. - Benefits:Reduces and prevents hyper-pigmentation. - Provides exceptional results with a global lightening and brightening of the skin. - Gently exfoliates dead, dull skin cells while you sleep.