The term of fat bounds comes from the thing which they prodcut : sebum. At normal conditions, sebums follow the body’s vasculars and arrives to the skin level. Sebum types generally occur at face,neck, upper part of arms and shoulders. İf they are shape of a little black dot their name is comedon and if they are red, big and severe their names is pustule. Of course the type which is pustule is causes more serious problems.
There are several types of acnes. They may occur in many types but we can classified them in 6 types. Lesions, black and white dots which occur on the type or any other part of the body. Third type of acne is papules, a roman term which is also a type of lesion, fourth is pustule, which generally young teens are suffer from, fifth is seams on body, which generally occur after the acne diseases. And the last type of acne is cyst. You may think cyst is only about cancer, it’s wrong cyst is also a type of acne.