ffective tria hair removal laser 4x is fda cleared, and features professional-level diode lasers, which disable the hair follicle by targeting the melanin at the root, without damaging the surrounding skin. The tria laser is optimized for permanent results, versus lower energy-emitting devices, such as some ipl devices, which are optimized for temporary results. Dermatologist recommended. "the tria device really does provide permanent results at home.... With the convenience, privacy and affordability of home use ."