This is a comprehensive bleaching kit designed to deliver effective teeth whitening results over a 7-hour period, while prioritizing sensitivity concerns. Achieve a visibly brighter smile with the YOTUEL 7 HOURS Whitening Non-Sensitivity Whitening System. This product focuses on powerful yet gentle action, making it suitable for users concerned about dental sensitivity during the whitening process. Use it as part of your regular dental care routine to maintain or enhance the brightness of your smile.