Lumineux 10% Nano Hydroxyapatite Whitening Toothpaste, 3.75 oz, 2 Pack

10% NANO-HYDROXYAPATITE: Powered by 10% concentration of nano-hydroxyapatite (n-HA) - made of the same mineral teeth enamel is made of���to help replenish lost minerals and support enamel health. | ENAMEL-FOCUSED DAILY CARE: Nano-sized n-HA helps fill microscopic enamel irregularities so stains & buildup are less likely to stick & plug exposed dentin tubules, pathways that can lead to sensitivity- for stronger, healthier-feeling teeth. | ENAMEL-SAFE, DUAL-ACTION WHITENING: Whitens by visibly smoothing enamel, allowing light to reflect more evenly, and gently lifting surface stains for a brighter smile���without peroxide, bleaching agents, or enamel-damaging ingredients. | NASA-DEVELOPED TECHNOLOGY: Nano-hydroxyapatite was originally developed by NASA to protect astronauts' teeth and bones in harsh space conditions. This fluoride-free formula helps strengthen enamel using the same minerals naturally found in teeth. | CLEAN, SAFE & MADE FOR DAILY USE: Fluoride-free, clean & safe if swallowed. Designed for everyday brushing with a minty fresh, clean taste and comfortable foam���made for all types of teeth but ideal for sensitive teeth and wellness-focused routines.