Eyeliner Brush by London Prime Cosmetics is a slim, super-fine brush which is handy for creating thin, precise lines. This is flat shaped perfect brush for applying a thin and fine line of liner on the eye to give it a sleek and beautiful look. You can use this ultrafine brush to apply a clean and sharp line of eyeliner on the upper or lower end of eye. With this brush it makes it convenient to mark beautiful fluent lines without any hassle.