Cosmetic or pharmaceutical applicator with a supply of the cosmetic or pharmaceutical fluid provided in the brush outside of the bristle facing, a pump mechanism for dispensing the fluid through or in the bristle facing of the brush, whereupon the bristle facing of the brush is a fixed component of a cartridge which provides a supply of the fluid and which can be inserted into and removed again from the applicator chamber intended for this purpose, preferably without the use of tools.
