L'Oréal Paris Hyaluron Tint: Hydrates like a serum and lasts like a lip stain for up to 12H weightless colour and 112% instant hydration*. Your lips, but better - hydrated, cushioned and gorgeously tinted. Introducing L'Oréal Paris Hyaluron Tint Lip Stain Serum, the lip colour that brings together the benefits of a serum and the staying power of a stain. This innovative hybrid gives your lips vibrant colour and a plumping effect with a lightweight feel.