ALL HOURS FOUNDATION 24H FULL COVERAGE, LIGHTWEIGHT FOUNDATION. INFUSED WITH HYALURONIC ACID. New and Improved YSL Beauty All Hours Foundation, the complexion that you can rely on all day. Now with an upgraded, breathable formula that provides up to 24H full coverage and a weightless light as air feel, as if your skin was bare. LTKGiftGuide LTKbeauty LTKsalealert