All Hours Foundation from YSL infused with hyaluronic acid, 24hr full coverage and weightless feel. Complexion perfection you can rely on all day, all night, ALL HOURS. Experience an ultra-sensorial skin on skin sensation with a seamless cover action, as if you had a flawless naked skin. The new formula is infused with Hyaluronic acid. It provides all day hydration feel and day after day skin caring benefits, even after removal. Proven: skin feels softer, smoother, hydrated, after only 2 weeks . For All Hours renovation, YSL developed our first Skin-Fusing technology to mimic the composition of the skin for a total fusion. To achieve a triple proof: Transfer proof, Waterproof, and Sport proof. The complexion remains flawless and fresh, for a 24h natural luminous matte makeup result. Perfect for creating full-coverage and a flawless skin complexion, this long-lasting and durable foundation is this season's must-have beauty product. Featuring a lightweight and transfer-resistant formula that creates full and even-looking coverage whilst remaining comfortable and light on the skin. Suitable for all skin types including sensitive skin. BENEFITS The 77% skincare-based Infused with Hyaluronic acid Softer, smoother more hydrated skin 24h natural luminous matte makeup result. 24hr full coverage Weightless feel Consumer test with 111 women. Yves Saint Laurent Women's All Hours Luminous Matte Foundation with SPF 39 25ml in Mc2