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Red light devices promise a lot—but do they deliver? Wirecutter supervising editor Rory Evans demystifies the science behind them, shares her top picks, and explains who might want to think twice before trying one.
Correction: In this episode, we misstated that the irradiance, or power over an area, of red light devices is measured in megawatts per square centimeters. It is measured in milliwatts, not megawatts.
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Additional reading:
We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more›
Wirecutter Social and Website
Instagram: /wirecutter
Threads: /@wirecutter
Twitter: /wirecutter
Facebook: /thewirecutter
TikTok: /wirecutter
LinkedIn: /nyt-wirecutter
Website: https://www.nytimes.com/wirecutter/
Newsletter: https://www.nytimes.com/wirecutter/newsletters/
The Wirecutter Show is executive produced by Rosie Guerin and produced by Abigail Keel.Engineering support from Maddy Masiello and Nick Pitman. Episodes are mixed by Catherine Anderson, Efim Shapiro, Rowan Niemisto, Sophia Lanman, and Sonia Herrero. Original music by Dan Powell, Marion Lozano, Elisheba Ittoop, and Diane Wong. Wirecutter’s deputy publisher and general manager is Cliff Levy. Ben Frumin is Wirecutter’s editor-in-chief. Hosted by Rosie Guerin, Caira Blackwell and Christine Cyr Clisset.
Find edited transcripts for each episode here: The Wirecutter Show Podcast
Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.
By The New York Times4.2
10841,084 ratings
Red light devices promise a lot—but do they deliver? Wirecutter supervising editor Rory Evans demystifies the science behind them, shares her top picks, and explains who might want to think twice before trying one.
Correction: In this episode, we misstated that the irradiance, or power over an area, of red light devices is measured in megawatts per square centimeters. It is measured in milliwatts, not megawatts.
Products we recommend:
Additional reading:
We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more›
Wirecutter Social and Website
Instagram: /wirecutter
Threads: /@wirecutter
Twitter: /wirecutter
Facebook: /thewirecutter
TikTok: /wirecutter
LinkedIn: /nyt-wirecutter
Website: https://www.nytimes.com/wirecutter/
Newsletter: https://www.nytimes.com/wirecutter/newsletters/
The Wirecutter Show is executive produced by Rosie Guerin and produced by Abigail Keel.Engineering support from Maddy Masiello and Nick Pitman. Episodes are mixed by Catherine Anderson, Efim Shapiro, Rowan Niemisto, Sophia Lanman, and Sonia Herrero. Original music by Dan Powell, Marion Lozano, Elisheba Ittoop, and Diane Wong. Wirecutter’s deputy publisher and general manager is Cliff Levy. Ben Frumin is Wirecutter’s editor-in-chief. Hosted by Rosie Guerin, Caira Blackwell and Christine Cyr Clisset.
Find edited transcripts for each episode here: The Wirecutter Show Podcast
Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

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