Another type of scalp folliculitis, Demodex folliculitis, is caused by an excess of Demodex mites (face mites) on your skin. It is normal for some Demodex mites to live on your skin, but having ...

Dr. Penzi adds that the most common cause is bacteria, but other common culprits include yeast and fungus (known as pityrosporum folliculitis), viruses (herpes, molluscum), and demodex (a type of ...