Crest Sensi-stop Strips, 6/bx, 12 bx/cs. Strips are thin, flexible strips

Sensi-Stop Strips, 6/bx, 12 bx/cs. Crest Sensi-Stop Strips are thin, flexible strips that contain oxalate gel on one side. The unique strip is designed to cover the outer gumline of sensitive teeth. This gives the key ingredient time to form a lasting barrier that blocks dentinal tubules to help relieve sensitivity. Featuring contoured, flexible edges for ease of use.