Hyper secretion or retention of sebum are the major reasons. Recent studies
indicate the possibility of a special wall for an exciting cause,in some cases at least. Pyogenic cocci are added factors in pustular and furuncular cases.
indirect or predisposing causes of acne.
Eating disorders, constipation, menstrual irregularities
,chlorosis, general weakness, lack of tone in the muscle fibers skin scrofulosis and drugs such as iodides and bromides resin internally and externally.Working in a dusty environment often influential, as a result of a block of iron channels. Working in paraffin oil or other cooking oil are often causes of acne.
The disease is more common in people with light skin.
