This liquid eyeliner is designed to be waterproof and applies effortlessly in just one stroke. Its brush features a specially designed 0.1mm tapered tip that offers exceptional comfort and accuracy. This tip consists of ultra-fine bristles that are both firm and flexible, ensuring a smooth application for the desired effect. Achieve anything from delicate lines to striking looks, all flawlessly defined! It is resistant to water and stains, and it won't flake.