Will the light get hot during use? June 07, 2023 13:58 Updated No, the light in Comfortfit LED will warm slightly but will not get hot. Related articles Can I swallow my saliva during treatment? Can people share the device? Is it ok to look at the light when it is on? How do I clean the pen and device? Where do I store the device and pen? Comments 0 comments Article is closed for comments.