Compulsive hair pulling and plucking is known as trichotillomania. Other Alopecias - traction alopecia .
Traction alopecia is similar to trichotillomania but occurs after using inappropriate hair styling.
Other Alopecias - physical injury . Any physical damage to the skin such as burns or frostbite may cause localized alopecia. Other Alopecias - loose anagen hair syndrome . As the name suggests, people who have loose hair syndrome have hair that is easily pulled out by brushing or even by rubbing on a pillow at night. Other Alopecias - congenital triangular alopecia .