Cosmetic brush

A dressing brush is provided, which comprises a brush cap, a brush head, a brush head holder and a cosmetic bottle. The utility model is characterized in that: the brush head holder is configured as an extension body that is made of elastic materials and is provided with a discharge hole at its middle section; the internal side at the lower section of the brush head holder is connected closely to the cosmetic bottle; its external side at the lower section is joined with the brush cap in coordination; its upper section is connected to the brush head; a pressure platform and a convex platform inside the brush cap are joined with each other in compression at the middle section of the brush head holder; a leakage prevention stop in the cosmetic bottle corresponds to the discharge hole of the brush head holder. The beneficial effects of the utility model are: (1). Effective prevention of cosmetic leakage; (2). Reducing the inconvenience of bringing the cosmetics and the dressing brush separately; (3). Novel and skillful design and simple usage.