Get rid of difficult pigmentation like dark spots, knuckles, elbows, feet and knee with the Piment Doux Super Lightening Serum. Piment Doux serum works as an exfoliator by peeling away difficult dark spot/discoloration to reveal lighter, clearer skin. Ingredients Essential oils, Vitamin E and C, Fruit Acid, Exfoliating Essences. Piment Doux Concentre is a specially designed lotion used to clear and cleanse dark spots on the face and body. Use: Mix the serum in your lotion and use it after bathing. For difficult parts such as elbows, fingers, and toes, you may use a dry and cotton swab.