Here’s a summary of the more common causes (and symptoms) of bumps on the scalp. Folliculitis is a skin infection caused by damage to your hair follicles. This infection can result in raised red ...
Miliaria crystalline: This is the most common form. It causes small, clear or white bumps filled with sweat to form on the skin’s surface. The bumps measure 1–2 millimeters across. It causes ...