Whiter, stronger, and healthier teeth with 10% micro-hydroxyapatite (HA, non-nano) & natural ingredients - no fillers ever. Hydroxyapatite in micro size is a standout ingredient in toothpaste, renowned for its ability to remineralize and strengthen enamel without the concerns associated with fluoride and nano-sized particles, ensuring safety and effectiveness. Just better toothpaste for you and your family. Made in the USA. Ingredient highlights: Non-nano Hydroxyapatite - It's the mineral your teeth's enamel are made of. Brushing with it repairs and whitens teeth. Happy Tooth toothpaste uses 10% micro-hydroxyapatite, sourced naturally from mineral ore. Xylitol fights bacteria. Silica & calcium carbonate for scrubbing. Stevia and erythritol as natural sweeteners. No natural flavors. Kids' toothpaste uses vanilla extract for a natural and super tasty vanilla frosting flavor. SLS-Free. Fluoride-Free.