This is a multi-functional eyeliner that offers premium application. It features a brush, invented by a Kumano brush maker, is made from 4 different types of bristles of varying quality and coarseness. It also features an octagonal handle that fits the fingers, allowing steady, stable application. It features a pigment that doesn't stain the skin, protecting skin from discoloration. It is resistant to sweat, water, sebum, and tears. It keeps its fresh finish in the morning for hours. It is fast-drying, and good for layering. It can be removed with warm water easily.