The U.S. Food and Drug Administration (FDA) has approved a wearable, blue-light device for treating mild psoriasis at home. It offers a gentle treatment that’s easy to use. You simply strap it onto your arm or leg where you have mild psoriasis.
Because blue light is UV-free, the device isn’t known to cause skin cancer or signs of premature skin aging, such as wrinkles or age spots.
Here’s what the results from studies show, regarding how well it works.