Awasome Infected Ingrown Hair On Armpit References. It's often caused by an infection with bacteria. Web an analysis and symptoms of an ingrown hair armpit, cyst, and lump with help of a picture.
Web pustules an infected ingrown hair can develop into a pustule, which is a small, raised bump filled with pus. An ingrown hair cyst looks like a pimple, but it can grow bigger. Signs of an infected ingrown hair:
