I’ve given many teeth whitening products a try over the years, but none come close to OhSo Smile’s teeth whitening kit. It has given my teeth a noticeable brightness boost and wiped out those tacky stains in no time. The fact that it’s peroxide-free is a total game-changer because it doesn’t leave me dealing with any discomfort or sensitivity like I have previously. If you’re after a quick and effective way to amp up your smile, buy one of these kits