Blog: Guides, Science and Evidence Updates (Page 6)
Every article on the index, newest first. 123 articles.
What Is Photobiomodulation? (And Why It Replaced "LLLT")
Photobiomodulation replaced "LLLT" in 2015 once LED research showed the effect works without a laser. The history, the studies and the mechanism.
How Often Should You Use Red Light Therapy?
What the trials actually used, from twice a week for skin (confirmed by a 2025 head-to-head trial) to nightly for sleep, and how to turn it into a home schedule.
Do You Need Eye Protection With Red Light Therapy?
No regulator requires goggles with a red light panel, but 30 of the 41 brands in this index ship eye protection. What the hazard bands say, and when to wear them.