"back acne"

Bumps in Every Pore: Folliculitis Left Untreated Can Destroy the Follicles

You step out of the shower, look in the mirror, and see tiny red bumps clustered across your back or chest. It clearly is not acne, but scratching only makes it spread, and each pore begins to feel sore. Inflammation in the hair follicles is known as folliculitis. If neglected, it can cause lasting damage to the skin.