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春天易晒伤?这四事没做好防晒白做

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  健康饮食是好皮肤的根基,但并不能做到立竿见影,尤其是防晒。


  吃下去的抗氧化食物,需要经历漫长的消化吸收过程,真要到达皮肤「道阻且长」;而且效果因人而异。

  而防晒需要的是「争分夺秒,用量充足」,所以单靠吃,很难做到。


  

  那上面岂不是白说了?

  当然不是!

  紫外线损伤皮肤的原理和氧化息息相关,紫外线中的UVA(长波、晒黑)、UVB(短波、晒伤)会增加皮肤中的自由基数量,从而损伤皮肤细胞。

  所以,从内抵抗光老化,关键还是抗氧化。吃吃喝喝并不是全无效果,只是需要长期积累。

  功夫在平时,日常饮食均衡,瓜果蔬菜、健康油脂吃得足,皮肤抗氧化、抵御紫外线能力自然更强,也就更耐晒啦!

  防晒需要全方位的保护,饮食并不能替代其他防晒措施,反过来也一样。


  

  你有什么爱用的防晒产品?

  来评论区分享一下吧

  参考资料:


  [1] Stahl, W. and H. Sies, beta-Carotene and othercarotenoids in protection from sunlight. Am J Clin Nutr, 2012. 96(5): p.1179s-84s.

  [2]Grether-Beck, S., et al., Molecular evidence thatoral supplementation with lycopene or lutein protects human skin againstultraviolet radiation: results from a double-blinded, placebo-controlled,crossover study. Br J Dermatol, 2016.

  [3]Rizwan, M., et al., Tomato paste rich in lycopeneprotects against cutaneous photodamage in humans in vivo: a randomizedcontrolled trial. Br J Dermatol, 2011. 164(1): p. 154-62.

  [4]Camouse, M.M., et al., Topical application of greenand white tea extracts provides protection from solar-simulated ultravioletlight in human skin. Exp Dermatol, 2009. 18(6): p. 522-6.

  [5]Reagan-Shaw, S., H. Mukhtar, and N. Ahmad, Resveratrolimparts photoprotection of normal cells and enhances the efficacy of radiationtherapy in cancer cells. Photochem Photobiol, 2008. 84(2): p. 415-21.

  [6] Flamini, R., et al., Advanced knowledge of threeimportant classes of grape phenolics: anthocyanins, stilbenes andflavonols. Int J Mol Sci, 2013. 14(10): p. 19651-69.
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