Our highest-strength formulaEnamel can't grow back. But it can remineralise, twice a day, every day. Why Enamel Shield+?Your enamel is 97% hydroxyapatite. Enamel Shield+ is our most concentrated hydroxyapatite formula, made to replenish the minerals daily wear strips away. Smooth, creamy, no grit. Backed by clinical studiesIn human research, hydroxyapatite matched fluoride for caries prevention over an 18-month randomised trial in adults,¹ remineralised enamel in a 2024 meta-analysis,² and reduced dentine sensitivity in a 2023 meta-analysis.³ Micro-hydroxyapatite, not nano. Around one micron, over 90% under 2.5: a tightly specified grade of the same mineral your enamel is made of. ✓ No fluoride, sulphates, parabens, synthetic sweeteners or artificial colours✓ Under 15 ingredients, all with purpose✓ Formula reviewed by Dr Cate Gerber, our Chief Dental Officer✓ Australian made and owned. Vegan, Halal certified, Family owned✓ Micro-hydroxyapatite sourced from Portugal, ISO 9001:2015 certified Who it's forCoffee and wine drinkers, anyone whose diet runs acidic, and anyone who wants the strongest formula we make. How to use itEvenings, most nights. Two minutes, twice daily. At night, spit, don't rinse: saliva slows while you sleep, so nothing washes the mineral away. What's insideEnamel Shield+ · Tube: Maximum strength, mild mint. Smooth, creamy, no grit.