Check the listing for details. 7.5% Hydroxyapatite Toothpaste Remove Yellow Tooth Stains For Sensitive Teeth TL. Condition: New. Listed at 10.69 USD. Features:SAFE INGREDIENT: Our enamel repair toothpaste is infused with hydroxyapatite that work synergistically in restoring your enamel.CLEANSING BREATH: Using our repair toothpaste is key to keeping your mouth cool and clean all-day long. No more bad breath or embarrassing moments, just a cool smile.Oral Care Tooth Paste: Effectively Cleans Teeth And Stains Without Damaging Teeth And Reducing External Stimulations.Gentle for Sensitive Teeth: Our hydroxyapatite toothpaste provides a gentle yet thorough clean, making it perfect for sensitive teeth without causing discomfort or irritation.Daily Oral Care: Designed for everyday use, keeping your teeth strong and your mouth feeling-fresh with regular brushing, keep the mouth-fresh for a long time. Descript.