Skin Problem Hair Follicles. Numerous pustules develop in the hair follicles. A common skin condition, folliculitis happens when a hair follicle becomes infected or inflamed.

The bulge is rich in follicular epithelial stem cells that produce new hair when activated. Bumps or pimples developing on the skin. Keratosis pilaris is a benign condition characterized by numerous small, rough, red, or tan bumps primarily around hair follicles on the upper arms, legs, buttocks, and sometimes cheeks.