著者
上出 良一
出版者
日本香粧品学会
雑誌
日本香粧品学会誌 (ISSN:18802532)
巻号頁・発行日
vol.41, no.2, pp.124-131, 2017-06-30 (Released:2018-06-30)
参考文献数
31

Sun exposure induces acute and chronic skin damage. In an aging society, life-long protection against ultraviolet rays starting from childhood is important in order to suppress the increase of skin cancer in sun exposed areas. On the other hand, some women tend to over-protect their exposed skin from sun light to prevent pigmentation such as blotches, freckles and wrinkles. Such an attitude like photophobia in daily life might induce vitamin D insufficiency and consequently damage their health. Vitamin D can be produced by sub-erythematous doses of UVB and excess vitamin D is destroyed by UV to maintain a proper level. In general, applications of sunscreen are incomplete, so that people receive a certain amount of UV exposure on the face and dorsum of hands, which produces a necessary amount of vitamin D. In addition to biosynthesis, vitamin D is safely taken orally through proper foods and supplements. Accordingly, there is no reason to recommend sun bathing to avoid vitamin D insufficiency.

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現代人がビタミンD不足であることは紛れもない事実なので、サプリを摂りましょう!! 国立環境研究所さんが非常に綺麗にまとめて、アウトプットしてくださっていてありがたい! https://t.co/ycEwWvnLZ9 https://t.co/HloCZOZJmP
【日焼け止めとビタミンD】 UVBで作られるビタミンDですが、過度に避けなければ、完璧に塗り込むのは難しいため一般成人への影響は少ない

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