The treatment lotion is a miraculous source of vitality, liquid energy, this rich and silky hydrator visibly awakens the complexion and drives moisture deep into the skin to improve texture and even tone. Design house: La Mer. Series: The Treatment Lotion. Gender: Unisex. Category: Skin Care. SubType: Lotions & Creams Lotion. Size: 5 oz. Barcode: 747930039525. The Treatment Lotion by La Mer for Unisex - 5 oz Lotion.