In-office procedure that takes only 20 min., causes virtually no sensitivity, and is an effective, natural, and comprehensive whitening system. Effortless application takes only 3 min. to apply. Comfortable, flexible, one-size-fits-all trays and no barriers needed. Whitening booster technology hydrates the enamel and desensitizes the teeth to help protect them from the potential painful side effects of bleaching agents creating a comfortable teeth-whitening experience for patients. Uses true light-reactive gels, a proprietary 30% hydrogen peroxide (HP), and an optional deep comfort, 34% carbamide-peroxide (CP) gel to ensure remarkable results of up to 8 shades or more.