Learn exactly what red light therapy is and how to use it.

Dermatologists explain the benefits of red and blue light therapy, plus which is right for your complexion needs.

Wellness influencers tout the therapy's power for everything from rejuvenating skin and hair to boosting longevity. Devices sold for at-home use abound. We look at the evidence behind the hype.

Red light therapy uses drugs that are sensitive to light and build up in cancer cells. When red light enters the body and reaches these cells, the light activates the drugs to destroy the cancer cells ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Teresa Carr Using a wand or scary-looking mask to bathe your face in red light ...

We tested over 30 red light therapy devices and talked to dermatologists to find the best ones for skincare, hair growth, ...

Light therapy can boost your mood, but you need the right model. Here's what experts say about picking an effective model. Corin Cesaric-Epple Editor Corin Cesaric-Epple is an Editor at CNET covering ...

Summer is coming and now is the time to get bathing suit ready! Dr. Sanela Begovic, the Clinic Director of St. Charles ...

What Is Therapeutic Light Therapy? Therapeutic light therapy, also called phototherapy, is a form of treatment for certain types of depression, sleep disorders, and other conditions. It involves ...

A pivotal clinical trial that cleared the way for US regulators to approve a new light therapy device as a treatment for macular degeneration has been criticized for several shortcomings, with a ...

Best red light therapy devices for gums, tried and tested in 2026. See our comparison and expert picks for inflammation, ...