Apagard Remineralizing Toothpaste ( Renamel Home Care Paste) 120 grams (4.2 Ounce) Apagard Renamel Home Care Paste is a remineralizing toothpaste formulated with medical NanoHydroxyapatite (mHAP) which hardens enamel, helps repair enamel, remineralize teeth and reverse tiny cracks and cavities in the very early stages which helps with tooth sensitivity as well. Contains more nanohydroxyapatite than the commercially versions and is only found in Dental clinics in Japan. Remove teeth stains at home and get back your whiter, smoother and healthier teeth with Apagard toothpaste renamel.