Thanks to the P.E.A.R.L Rosy White Complex Advanced at the heart of its formula, Guerlain’s Blanc de Perle Essence provides the skin with triple-action whitening* power: -It provides effectiveness against dark spots, to diminish the appearance of dark spots and prevent them from reoccurring. -It combats rough skin, with a smoothing effect on the surface to improve radiance and glow. -It soothes the skin to provide optimal comfort for all skin types, even the most sensitive. Day after day, the complexion looks lighter and brighter. *In vitro tests on ingredients