Pronamel helps remineralise weakened enamel to strengthen and help protect it against the effects of acid wear for strong, healthy looking teeth. Pronamel Gentle Whitening toothpaste is specially formulated to protect teeth against the effects of acid wear. Pronamel Gentle Whitening?s mineral-rich formula enters deep into your teeth?s surface, and actively strengthens weakened enamel ? while gently whitening your teeth at the same time.