Keratosis pilaris is a common skin condition where small, red, rough bumps appear on the skin, particularly on the arms, thighs, and cheeks. It occurs when hair follicles become clogged with dead ...

Scalp folliculitis is a skin condition that occurs when the ... Folliculitis is also sometimes called the following: Small, itchy bumps: These may be red, white, or yellow and can appear around ...