A cosmetic brush cleaner apparatus is provided for automatically washing, cleaning, rinsing, and sanitizing a plurality of cosmetic brushes quickly, efficiently, and effectively. In particular, the cosmetic brush cleaner includes a removable lid, a base having a liquid inlet port, a removable brush holder coupled to the base, wherein the brush holder secures one or more cosmetic brushes. The cleaner further comprises a bristle plate coupled to the base, a liquid dispensing port for dispensing the liquid on to the bristle plate, a liquid drainage port for draining the liquid from the bristle plate, wherein the bristle plate is configured to engage the cosmetic brushes, and a controller for operating a motor of the brush cleaner.