众所周知,维生素 A 作为类视黄醇药物口服时可减少皮脂产生。 然而,仅通过饮食很难为皮肤的皮脂腺获取足够的维生素A。 2003 年的一项研究 7 表明 4.膳食来源的血液中维生素 A 含量增加 8%,结果为 1。皮脂分泌量减少 4%。
维生素 A 含量高的食物添加到饮食中可能会减少皮脂产生,例如:
胡萝卜
羽衣甘蓝
菠菜
西兰花
牛奶
鸡蛋
牛肝
芒果
哈密瓜
单独饮食似乎并不是降低皮脂产生的有效方法(a 1.4% 的减少并不算多!),但是维生素和补充剂呢?
如何使用维生素和补充剂减少皮脂产生
维生素 A 和皮脂生成
维生素 A 补充剂可能会减少皮脂产生,但这些脂溶性维生素会在体内积聚并引起毒性。 8 如果您是孕妇,在未与医生讨论的情况下不应服用维生素 A 补充剂。 女性维生素 A 的 RDA(推荐每日摄入量)为 2700 IU。 即使您没有怀孕,每天服用的维生素 A 也不应超过 10,000 IU,因为高含量的维生素 A 会导致包括脱发在内的许多问题。
杨,S. 瓦,金,S. J。,黄,I. A,&帕克,K. C (2002)。 通过皮脂分泌评价面部皮肤类型:主观描述与皮脂分泌之间的差异。 皮肤研究和技术,8(3),168-172。
鲍曼,L. 鲍曼美容皮肤科中的油性皮肤(McGraw Hill 2022)
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