About this item First-of-its-kind clincally tested by Indiana University and shown to not damage tooth enamel. 100% participants who used prostrips as directed 2x day for 7 days showed an improvement in teeth whiteness, with a 12 shade whiter average amongst all participants.* *clnically shown by a 3rd party Essensial Minerals: Prostrips contain calcium and phosphate, fundamental building blocks of teeth, to nourish and strengthen your smile with each treatment. Phosphate, a crucial component of hydroxyapatite, helps enhance the durability of tooth enamel, promoting overall dental health. Created by dentist, Dr. Jennifer Jablow, 97%, in a third-party consumer survey, reported no sensitivity. Super-Grip Technology: Strips adhere strongly to teeth upon application. For best experience, remove by peeling strips from back of teeth at one of the ends. › See more product details