Multi-Lobe, Grooved Cosmetic Applicator Brush

A cosmetic applicator brush for providing multiple cosmetic applicator performance characteristics in a single brush, the cosmetic applicator brush comprising:

• an elongate, axially rectilinear applicator core;
• a plurality of bristles retained by the applicator core whereby the applicator core and the plurality of bristles together form a brush head with a tip and a body portion wherein the bristles of the body portion define a brush head cross section;
• wherein the brush head cross section has at least first and second lobes substantially identical in cross-sectional shape, wherein the first and second lobes are disposed in opposition and are separated by first and second feed grooves, wherein each feed groove has first and second legs that terminate in a base portion, wherein the first lobe has a first application surface adjacent to the first feed groove and formed in part by a leg of the first feed groove, a second application surface adjacent to the second feed groove and formed in part by a leg of the second feed groove, and an arcuate peripheral application surface between and contiguous with the first and second application surfaces of the first lobe, wherein the second lobe has a first application surface adjacent to the first feed groove and formed in part by a leg of the first feed groove, a second application surface adjacent to the second feed groove and formed in part by a leg of the second feed groove, and an arcuate peripheral application surface between and contiguous with the first and second application surfaces of the second lobe, and wherein the first and second application surfaces of the first and second lobes are arcuate adjacent to the respective peripheral application surfaces of the first and second lobes.