Patented technology increases the interaction between whitening gel and tooth, deliver effective whitening results only in 15mins Therapy mode helps to eliminate disease-causing bacteria and maintains good oral hygiene just in 10minsFDA certified which are safe yet effective teeth whitening without causing the sensitivity of other systemsOur products are animal and cruelty-free and vegan friendly. Products should not be made to put any animal at harmShower while you are whitening teeth as our kit is IPX6 waterproof certified