Serum PIGM 400 brightens and evens the complexion by reducing dark spots and hyperpigmentation. Ideal for sun-damaged skin, it prevents further damage and lightens existing spots. Use with sunscreen. For best results, pair with Biologique Recherche Lotion P50 PIGM 400, Masque PIGM 400, and Creme PIGM 400 to unify and illuminate the complexion.