Acne is a chronic inflammatory skin disease with hair follicle and sebaceous gland unit, which mainly occurs in teenagers and has great psychological and social influence on teenagers, but it can often be naturally relieved or cured after puberty. Clinical manifestations are characterized by polymorphic skin lesions, such as acne, papules, pustules, nodules, etc., which often occur on the face.

2. Causes of formation

(1) oily skin: oily skin is rich in sebaceous glands, which is easy to become a nutritional environment for bacilli, folliculitis and mites. , causing infection.

(2) Dietary factors: People who are partial to spicy, greasy, seafood, fried food and tobacco can stimulate sebaceous gland hypertrophy and hyperplasia, secrete a lot of sebum and induce acne.

(3) cosmetic factors: long-term misuse of cosmetics stimulates sebaceous glands, accelerates keratinization and blockage of hair follicles, and thus induces acne.

(4) Drug factors: long-term oral contraceptives; Drug-induced androgens or hormones are easy to cause acne.

(5) Environmental factors: air, soil, water, food, noise, radiation and other pollution, often make the skin in a tense defensive state, skin metabolism slows down, leading to a decline in skin resistance, which is easy to induce acne.

(6) Neuropsychological factors: such as emotional excitement and mental stress, can easily lead to exuberant secretion of sebaceous glands, thus inducing acne.

(7) Individual factors: such as irregular menstruation, overwork, poor rest, adolescence, improper skin conditioning and skin disease treatment, and careless skin physical hygiene may all lead to acne.

(8) Dry stool, constipation, lack of clear gas, lack of turbid gas, increase of toxic gas and flooding of toxins.