Red-light therapy promises to treat everything from acne and hair loss to depression and chronic pain. Many of these claims are overhyped, but evidence suggests it can have healing powers

Unlike many LED masks, this therapy light isn’t strapped to your face and can be used all over your body.

Red-light therapy promises to treat everything from acne and hair loss to depression and chronic pain. Many of these claims are overhyped, but evidence suggests it can have…