The Tria Hair Removal Laser 4X is the first at-home laser to remove unwanted hair at a fraction of the in-office treatment. Their advanced hair removal laser technology safely delivers over 3 times more hair-eliminating energy than any other at-home hair removal devices, making it the most powerful at-home hair removal technology. It’s so safe and effective, you’ll be amazed at what you can do all by yourself.The Tria Hair Removal Laser 4X targets and permanently disables the hair follicle to stop hair growth on the body for permanent results, and even gentle enough to remove unwanted hair on the face for women. For best results, treat the area once every 2 weeks until desired result has been reached. No Returns Accepted. If you discover a covered defect in your Tria device before the 1-year warranty period expires, contact their Customer Care Department at [email protected] for assistance.