Scalp folliculitis, acne keloidalis nuchae (AKN), and acne cosmetica are among several causes of pimple-like bumps on the scalp. Acne cosmetica results from hair products containing oil and typically ...

Scalp folliculitis is a skin condition that occurs when the hair follicles on the scalp become inflamed. This results in pustules, whiteheads, or other pimple-like bumps on the scalp that can be ...