If you’ve dipped even a pinky toe into the beauty world of TikTok or Instagram, you’ve seen someone wearing a bright red LED ...

In 2021, dermatologist David Ozog was on holiday with his family in the Bahamas, when his 18-year-old son had a massive stroke. The teenager was airlifted to Florida, and then to Chicago for surgery.

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

Learn how to use red light therapy safely at home. This beginner's guide covers what red light therapy is, how it works, and ...