Hii friends,
That type of whitening toothpaste have some disadvantages. They don’t actually whiten your teeth. Instead they contain an abrasive that grinds away stains on the enamel making your teeth seem brighter. Toothpastes with hydrogen peroxide for whitening don’t really help much. They make your teeth weak and can cause senstivity or may cause your teeth to loose lusture and shine. Also its flavour is not so good.