Short Wave Should You Try Red-Light Therapy?
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Sep 22, 2025 Michelle Wong, a PhD chemist and science communicator known for her Lab Muffin Beauty Science channel, dives into the hype surrounding red-light therapy, a trend in the booming anti-aging market. She discusses how red and near-infrared light work at the cellular level, exploring its potential benefits for skin health. Wong also compares in-clinic treatments to home devices, highlighting the lack of research and potential risks. She emphasizes the importance of choosing evidence-backed products and reminds listeners about effective skincare basics like sunscreen.
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Colleagues' Real-World Tests
- NPR colleagues shared mixed personal experiences with red light, with some saying it tightened skin after use.
- Michelle Wong and Regina Barber both reported liking and trying red light masks themselves.
How Red Light Affects Cells
- Red and near-infrared light penetrate deeper into skin and can affect cellular function.
- They likely work by freeing nitric oxide from mitochondria to boost cellular respiration and energy.
Prefer Clinic Strength For Consistency
- Clinic red-light setups are much stronger because they use larger panels and more LEDs.
- Home masks and small devices often have fewer LEDs and less reliable specs, so verify device quality before buying.