Boka Fluoride-Free Nano Hydroxyapatite Toothpaste – Ela Mint (113g). Formulated withnano hydroxyapatite. Variant: Nano Hydroxyapatite. Flavour: Ela Mint. Fluoride free. With a mildEla Mint flavour and a smooth, low-foam feel, this toothpaste is suitable foradults and kids, including those with sensitive teeth.