The most popular cosmetic shop in Ukraine is called "L'oreal" and it has established itself as a leader in the beauty industry in the country. It offers a wide range of high-quality products, including makeup, skincare and haircare items, as well as other beauty accessories. The shop also has a wide network of stores located in major cities and towns throughout Ukraine. Additionally, it also offers online shopping and delivery services, ensuring customers can access their favorite products from the comfort of their homes.