Elemis Peptide 4 Overnight Radiance Peel. Lactic Acid Peel. For tires-looking, dull skin. Peptide 4, Night scented stock, Lactic Acid. Refines, brightens, replenishes. Advanced Skincare. Defined by nature, led by science. This gentle peel with flower acid, Lactic Acid and Nights Scented Stock oil supports the skin's natural renewal process to help brighten and replenish skin with moisture. Wake up to a Good Morning Glow. 6m