Red light therapy
What red light therapy devices can and cannot do, and how to use them safely.
Pick a guide below. Each one explains what to look for and how to use the product safely. It also says when to ask a doctor or other expert first. Sources are listed at the end of every guide.
Guides in this section
What Does Red Light Therapy Do? Uses, Limits and FDA Status
What does red light therapy do? A plain guide to what it is, what it is used for, what FDA-cleared devices cover, and th
Does Red Light Therapy Work? What the Evidence Shows
Does red light therapy work? See where the evidence is strongest, where it is thin, what FDA clearance means, and how to
Red Light Therapy Bed: Home Bed vs Salon or Gym Sessions
Thinking about a red light therapy bed? Compare salon or gym sessions with a home bed: space, wiring, session limits, ey
Red Light Therapy Mat: How to Choose One and Use It Safely
A red light therapy mat lets you lie on a pad of red and near-infrared LEDs. Compare mats with panels, learn what labels
Red Light Therapy Belt: Uses, Limits and How to Choose
A red light therapy belt wraps red and near-infrared LEDs around your back, knee or waist. See what labels claim, who sh
Red Light Therapy Cap for Hair Loss: What FDA Clearance Covers
A red light therapy cap is cleared for pattern hair loss only. Learn who is a candidate, how to read the 510(k), session
Red Light Therapy Blanket vs Infrared Sauna Blanket: Know Which
A red light therapy blanket can mean an LED wrap or a heated infrared sauna blanket. Learn how they differ, who should a
Red Light Therapy Eye Protection: Goggles and When You Need Them
Red light therapy eye protection explained: why near-infrared is a hidden risk, which goggles fit panels, beds and masks