GEL-KAM Mint Flour Gel 4.3 Ounce 2 Pack - Colgate Gel-Kam Preventive Treatment Gel is a stable 0.4% stannous fluoride gel that has been shown to be an effective cavity-preventive gel for home use that can be of significant value when used as directed in a conscientious oral hygiene program and regular professional care. With regular use, it has also been shown to relieve sensitivity in normal teeth. NDC Codes: 0126-0165-93, 0126-0192-93