Review on 🦷 IVISMILE Teeth Whitening Kit - 5X LED Light Tooth Whitener with 10-Minute Timer, 3X3ml Teeth Whitening Gel (12% Pap), Desensitizing Gel and Tray - Effectively Eliminate Stains from Coffee, Drinks, Food... by Chris Worlds

Got this set for my wife to try out. She really likes how easy it is to have her hands free. It has a backlit timer which is very handy so you don't have to check the clock. When she first used it, she was very upset because the instructions were not clear. Nowhere on the box or in the written instructions does it say how much of each syringe to use or how exactly it should be placed on the tray. This information is hidden in the Revain list. It says to only use 0.5ml per application, which my wife does, but it's not much at all and barely covers her teeth. After two weeks of use, she noticed some lightening, but not much. She saw better results when she used three times more than indicated.