L'Oreal Infaillible Stylo Waterproof Eyeliner 320 Nude Obsession L'Oreal Infallible Stylo Eyeliner is a creamy, smudge-tip eyeliner pencil that is perfect for creating a smokey eye look. The built-in sharpener means you can also draw a precise, even line. The formula gives lasting wear for up to 24 hours. Berry Cosmetics is a supplier of health and beauty products to trade as well as individual customers. Cosmetics | Skincare | Beauty products