Estée Lauder Advanced Night Repair Recovery Mask-In-Oil has the following features: Formulated with a complex of lipids, including Omega 3 and Omega 6 fatty acids, it helps develop cell membranes which protect every cell in the body. With Estée Lauder’s proprietary Chronolux technology, it supports skin’s basic self-repair cycle and increases skin’s resilience against environmental damage, pollution, and lack of sleep. Features potent antioxidants, including coffee seed extract, vitamin C and E that help minimize cellular damage caused by free radicals, and thus slow down the rate of skin aging.