This article was reviewed by Knox Beasley, MD. Pili multigemini is a rare hair follicle disorder where multiple hairs emerge from a single hair follicle. This creates a bushy, dense, or otherwise ...

Folliculitis is a common skin condition that occurs when hair follicles become inflamed due to infection, irritation, or blockage. The most frequent cause is a bacterial infection, though fungi and ...

If you notice a stray grey hair on your head, you might be inclined to pluck it out, despite the common advice against it.