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痘痘的形成
油脂分泌过多
油脂分泌
皮脂腺分泌油脂过多,阻塞毛孔,形成粉刺,细菌侵入后会引起炎症。
痘痘的形成
细菌感染
痘痘上的细菌会分泌毒素引起炎症反应,使得痘痘越来越严重。
痘痘的形成
紫外线辐射
紫外线会刺激皮脂腺分泌更多的油脂,同时还会使皮肤受到伤害,导致炎症产生。
痘痘的形成
不适当的护肤方法
不当的清洁、护理方式会破坏皮肤屏障导致皮肤缺水、过干,反而刺激皮脂腺分泌更多的油脂。
痘痘的形成
饮食习惯
食用过多的高糖、高油脂食品会刺激皮脂腺分泌,而缺乏维生素、蛋白质等营养素也容易引发痘痘。