Red light therapy shows promise for pain relief, inflammation and skin conditions – but other claims might be hyped
- Written by Praveen Arany, Associate Professor of Oral Biology, University at Buffalo

Red light therapy is increasingly viewed as a promising treatment for wrinkles, acne, psoriasis, scars and sun-damaged skin, and as a supportive therapy for some kinds of cancer. But does red light therapy live up to the hype that it’s practically a panacea for...