They keep your breath feeling fresh, but what are cooling crystals in toothpaste? Cooling crystals are tiny, dissolvable crystals, often containing menthol, that release an intense and long-lasting cooling sensation, destroy odour-causing bacteria and leave your mouth feeling refreshed.

You can use whitening toothpaste twice a day as part of your teeth whitening routine. The best teeth whitening routine often pairs whitening toothpaste with other whitening products like an overnight whitening pen or LED kit for maximum results.

If you suffer from sensitivity, choose a whitening toothpaste designed for sensitive teeth to avoid discomfort. Toothpaste whitening with sensitive teeth is possible if you use gentle products and the right brushing technique.