Clogged pores become acne when the hair follicle wall breaks. The injury attracts white blood cells, causing inflammation. Pustules form as the white blood cells migrate to the skin surface.

Insect bites or minor skin injuries: Bites, scratches, or small wounds can irritate hair follicles, causing inflammation. If bacteria enter the follicle, it may lead to infection and pus-filled bumps.

The skin has two types of adult stem cells: epidermal and hair follicle. Their jobs seem well-defined: maintaining the skin, ...

Hair follicle stem cells detect mechanical forces in their environment through the PIEZO1 ion channel, which responds to tension by allowing Ca 2+ influx. This calcium signaling helps maintain ...