Red light therapy lacks scientific evidence despite widespread social media popularity

Red light therapy, popular on social media for healing wounds and reducing wrinkles, lacks strong scientific evidence supporting these claims. Thousands of studies exist, but most are small, poorly controlled, and use inconsistent wavelengths and measurement methods. Researchers cannot properly blind participants to the treatment, introducing bias. Experts say better-designed trials are needed before concluding the therapy actually works.

Summary by Glance · The Guardian Australia – News