Piz Buin Tan and Protect Tan Intensifying Sun Lotion SPF15 is specially designed to naturally enhance your tan twice as fast, with Melitan, an ingredient shown to more than double your skin's own natural tanning pigments (melanin). The instantly absorbing formula hydrates your skin, which helps prevent peeling and contributes to a longer lasting tan. The lotion is non greasy, non sticky and water resistant and provides effective UVA/UVB sun protection.