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The anti-aging product market was worth roughly 53 BILLION dollars in 2024. One of the latest big trends: red light therapy. Social media is rampant with claims about all sorts of purported health benefits to using directed red light regularly … but does the research really live up to all the hype?
For answers, we turn to cosmetic chemist and science communicator Michelle Wong. Together, she and host Regina G. Barber sift through the thin (albeit growing) research on red light therapy to find out which claims are clearly backed by the literature – and which still need a bit more experimental data.
Interested in more science behind skincare products? Email us your question at shortwave@npr.org.
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