The understanding of how blue light affects skin health is being hampered by lack of standardised research methods, including the use of different sources of blue light and measurements of its biological effects, according to a new review funded by Johnson & Johnson in Singapore.
Changing lifestyles, with less time spent outdoors and increased screen times, have drastcially altered the pattern of blue light exposure.
And although the full range and exact nature of the biological effects of blue light are unknown, both beneficial and detrimental effects have been described.
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