In fact, the so-called acne is what we usually call "acne", which is also commonly known as "pimple", "acne" and "acne". In our daily life, the most common cause of acne is inflammation of sebaceous glands in hair follicles, which leads to chronic inflammatory skin diseases.
Because sebaceous glands and pores are blocked, sebum cannot flow out well. Therefore, under normal circumstances, almost everyone will have acne on his face or other parts after puberty, but some people have a small number and a short time;