What is the cause of acne

Acne is acne, and hormone levels abnormal, sebaceous gland keratinization abnormal, bacterial infection and other factors.

1, hormone levels abnormal

puberty due to physical development, will lead to increased levels of androgen in the body, so that sebaceous glands produce more sebum, sebum and exfoliated epidermal cells plug the pores will cause acne.

2, abnormal sebaceous gland keratinization

will make the hair follicle mouth smaller, narrower, resulting in sebum can not be discharged normally, sebum accumulation in the hair follicle mouth for a long time will form acne.

3, bacterial infection

Propionibacterium acnes excessive reproduction will lead to destruction of the surrounding tissues, resulting in acne.