Safety overview explaining that LED uses non-UV light with no DNA damage. Dermatologist facts: non-invasive, gradual results, different wavelengths serve different functions. Common myths debunked: LED cannot treat everything, more intensity does not equal better results, not all masks are the same, LED is not the same as UV. Side effects include mild redness and dryness. Who should avoid: those with light sensitivity, photosensitizing medications, or active infections. Safe usage tips included.