One night is what it takes to start looking younger. Inspired by the science of cellular regeneration Estee Lauder takes you to a younger time zone--overnight. Every single woman tested woke up to smoother more hydrated skin. Exclusive Sirtuin EX1 Technology gives you a more lineless radiant & rested look. Helps support skins natural nightly collagen production. Use it with Time Zone day creme & look younger. Your time is now.