Social media influencers claim red light therapy can deliver everything from younger-looking skin to more hair growth, better sleep and even boost longevity. Does science back up those claims?

In the 1960s, Hungarian researcher Endre Mester attempted to induce cancer in mice using red light and failed. Instead, the radiation accelerated hair growth and wound healing. This accident ...

From futuristic-looking masks to crimson-glowing bedside lamps, red light therapy is taking over social media feeds with a range of wellness promises. Many creators promote red light exposure as part ...

Follow any beauty biohacker on social media right now and you’ll hear them raving about the benefits of red-light therapy. There's so much hype about the technology that it's fair to ask, “Does ...