YSL Rouge Sur Mesure is a lifestyle application designed for iPhone users. Developed by LOreal, this free app serves as a companion to the Rouge Sur Mesure device, allowing users to customize their lipstick shades from the comfort of their homes. With this app, users can explore a range of personalized options to create unique lipstick colors that suit their preferences and style.

The YSL Rouge Sur Mesure app provides a seamless and interactive experience for users to experiment with different shades and create their signature lip colors effortlessly. By combining technology with beauty customization, this app offers a convenient solution for those seeking tailor-made lipstick shades.