Folliculitis results from the infection of the hair follicles. Along with the inflammation the infectious pustules also result in hair loss. Bacteria, fungi, virus and parasites are folliculitis causes which are responsible for infection to the follicles from where it may spread to the other parts of the body.
Cause of Trichotillomania
Trichotillomania is a psychiatric condition in which an individual has an uncontrollable urge to pull out his or her own body hair. It is rather a compulsive behavior, in which the person finds very hard to stop the urge to pull body hair. It is believed that genetics is a cause of trichotillomania. The compulsive behavior like trichotillomania can sometimes run in families.