Can shining a red light on your face really improve acne, wrinkles, inflammation, or wound healing, or is red light therapy just an expensive skincare scam involving a slightly alarming mask? How could ordinary visible light affect cells beneath your skin, and should you trust the products filling your social media feed? Melissa and Jam investigate photobiomodulation, mitochondria, collagen, blue light, FDA clearance, and the research behind this increasingly popular wellness trend. The answer is more scientifically interesting, and more complicated, than either of them expected.

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Timestamps

00:00 — Is red light therapy real or a scam?
03:41 — How light transfers energy to molecules
06:24 — Is red light therapy actually infrared?
08:03 — How deeply can visible light penetrate your skin?
09:34 — What red light may do inside your mitochondria
12:00 — Oxygen transport and other possible mechanisms
13:39 — Could red light trigger collagen production and healing?
16:26 — What scientists know—and still don’t understand
20:45 — Red light, blue light, inflammation, and acne
30:03 — The major problems with current red light research
33:20 — What FDA clearance does—and doesn’t—mean
35:20 — How to evaluate a red light therapy device
40:04 — So, should you buy a red light mask?
44:06 — A new series idea: Is it a scam or is it chemistry?

References from the Episode:

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Is red light therapy real or a scam?

Chemistry For Your Life

Is red light therapy real or a scam?