What's wrong with a pimple on your scalp?

Scalp long knot in one's heart is considered to be appeared folliculitis, this kind of circumstance is mostly with sebaceous gland secretion exuberant, at ordinary times life rest is irregular, endocrine disorder, like smoking drink, food acrimony stimulates concerned, because grease secretes exuberant, clean is not in place, add bacterial infection to cause folliculitis.