The Colgate-Palmolive Company introduced a new in-office treatment for dentin hypersensitivity called Colgate® Sensitive Pro-Relief™ desensitizing paste. The Pro-Argin™ technology consists of arginine, a naturally occurring amino acid, and an insoluble calcium compound, in the form of calcium carbonate. These ingredients are delivered in a paste containing a mild abrasive system, and can be applied with a prophylaxis cup or a cotton-tipped applicator to teeth that exhibit dentin hypersensitivity.