Adolescent acne is a common chronic inflammation of the sebaceous hair follicle disease, good hair and face, back, chest and other parts of the rich sebaceous gland.

• 痤疮是青春期常见的一种毛囊皮脂腺的慢性炎症疾病，好发与面、背、胸等皮脂腺丰富的部位。