Side Effects Potential Side Effects of Red Light Masks When used correctly, red light therapy should cause no side effects.e60dc2a1-f33c-4a05-9b50-8e3e8e5976292134e6ca-dc7d-45e1-ae72-93674fedbdb9 But if you use it too often or don’t follow the instructions, it can damage your eyes or cause skin redness, swelling, and blisters.e60dc2a1-f33c-4a05-9b50-8e3e8e59762922ac1e62-1682-4249-87ae-0b708bdd238de60dc2a1-f33c-4a05-9b50-8e3e8e5976296dfb9a1d-3ebe-4e22-a990-1c3e727a1411 “The most…