It's true. Official website, British brand Besson, shows that the toothpaste produced by British brand Besson is the formula of tooth whitening for European royalty, and the effect is very good, which is true. British Besmond Whitening Toothpaste uses calcium carbonate+hydrated silica to remove dirt particles. The cleaning rate is as high as 95%, and the teeth are bright and white in 7 days. Suppress halitosis, eradicate halitosis, relieve oral ulcers, heal oral wounds and repair tooth damage.