5 citations
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December 2016 in “International journal of biometeorology” Bright light during the day doesn't change most human clock genes but may slightly increase Rev-erb-ß.
September 2017 in “Journal of Investigative Dermatology” Aging causes sweat glands to shrink, leading to skin issues, and blue light can help hair grow.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Blue light can help hair grow by affecting certain receptors in hair follicles.
15 citations
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October 2012 in “Journal of circadian rhythms” RNA from horse hair follicles can track circadian rhythms non-invasively.
221 citations
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July 2012 in “Proceedings of the National Academy of Sciences of the United States of America” BMAL1 controls skin cell growth and UV damage risk, peaking at night.