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 <a href="https://labmuffin.com/about-michelle/"target="_blank" >Michelle Wong</a>. Together, she and host <a href="https://www.npr.org/people/1082526815/regina-g-barber"target="_blank" >Regina G. Barber</a> 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 <a href="mailto:shortwave@npr.org"target="_blank" >shortwave@npr.org</a>. Listen to every episode of Short Wave sponsor-free and support our work at NPR by signing up for Short Wave+ at <a href="http://plus.npr.org/shortwave"target="_blank" >plus.npr.org/shortwave</a>. Learn more about sponsor message choices: <a href="https://podcastchoices.com/adchoices">podcastchoices.com/adchoices</a> <a href="https://www.npr.org/about-npr/179878450/privacy-policy">NPR Privacy Policy</a>

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