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油堵炎
毛囊被过量的油脂污垢堵塞形成角栓内部的厌氧菌(摔疮丙酸杆菌等)大量增殖导致细菌感染演变而成
内分泌
重点:雄激素失调易影响皮肤表面的代谢,导致水油失衡诱发下巴长痘痘
皮脂腺
皮脂腺活跃,皮肤出油量激增,可引发炎症,此外皮脂角化形成障碍,堵塞皮肤毛孔,也易诱发痘痘
心理因素
长期精神紧张、压力过大容易令皮脂产生增多,游离脂肪酸也增加,诱发痘痘
螨虫
瞒虫爬行、排泄物、分泌物等会刺激皮肤引发炎症、皮疹
饮食
饮食燥热、高糖、油、盐、高Gl等也会使皮肤分泌皮脂分泌旺盛,特剔是牛奶,容易使座疮加剧