Check the listing for details. Davids Fluoride Free Nano Hydroxyapatite Toothpaste for Remineralizing Enamel. Condition: New. Listed at 9.46 USD. PRODUCT DESCRIPTION: Contains Nano Hydroxyapatite (n-HA): Replaces fluoride with n-HA, the same ingredient that makes up 97% of your tooth material, to remineralize enamel, reduce sensitivity, and naturally whiten teeth.Safe & Gentle Whitening: Micro polishing agents gently remove surface stains, providing safe whitening without the sensitivity often caused by peroxide or bleaching agents. With an RDA (Relative Dentin Abrasivity) of 101, it effectively removes plaque and stains while being safe for daily use, within the ADA's safe range.Bioactive Sensitive Relief: Uses Hydroxyapatite (n-HA) to reduce sensitivity by remineralizing enamel and sealing tubules that lead to the nerves, unlike other toothpastes that use Potassium Nitrate to numb nerves temporarily.Clean & Safe Ingredients: Made from high-quality, plant-based ingredients with no animal by-products (vegan). Free from fluoride, sulfates (no SLS), and artificial flavors, colors, or preservatives. EWG VERIFIED and contains birch xylitol for improved oral health.Travel Size Convenience: Available in TSA-compliant 1.75 oz tubes, ideal for on-the-go oral care needs. Ingredientscalcium carbonate (limestone abrasive), vegetable glycerin, purified water, sodium bicarbonate (baking soda), xylitol (birch derived), hydrated silica, hydroxyapatite, sodium cocoyl glutamate, carrageenan (seaweed derived), cocos nucifera (coconut) oil, mentha piperita (peppermint) oil, mentha viridis (spearmint) leaf oil, pimpinella anisum (anise) seed extract, gaultheria procumbens (wintergreen) leaf oil, stevia (leaf extract). DirectionsApply a pea-sized amount to a toothbrush and brush teeth for two minutes, twice a day.