Why does a lot of acne grow on the back

Acne is commonly known as acne, the medical name is acne, can grow on the face, can also grow in the chest and back. Genetic factors causing acne, mainly parents often show acne, their children will be more likely to show acne. Microbiological factors are mainly due to local hair follicles infected by Propionibacterium acnes, which can cause acne, and severe cases can also show cystic damage. Sebaceous duct factors are mainly due to abnormal keratosis of sebaceous ducts of hair follicles, resulting in sebum excretion disorders. Endocrine factors are mainly due to increased levels of androgens, resulting in increased sebum secretion, which increases the probability of acne.