A brush for the application of cosmetic products, including a grip body having at least a housing seat made to measure for a plurality of hairs adapted to take, apply and spread cosmetic products on a user, in which the plurality of hairs is divided into: a first group of hairs adjacent to one another and fitted to measure in the housing seat and defining a convex spreading surface which is adapted to spread the cosmetic products on the user; and a second group of hairs adjacent to one another and inserted in the first group of hairs, defining a taking and application surface which is protruding with respect to the spreading surface and has a substantially pointed shape and is suitable for taking the cosmetic products and for their point-like application on the user.