I am using patanjali dant kanti from one year.this is like natural toothpaste.the fragrance of this toothpaste is very good. It cleans our teeth very well. It protects our mouth completely. No harmful chemical is used in it. It has become famous due to his purity. It makes our mouth fresh for the whole day. It also makes our teeth beautiful it changes yellow teeth into white teeth like milk. It fights to the strong cavities and germs. The flavor of patanjali dant kanti is fresh and good.no side effects of this toothpaste.it gives long life of our teeth.really it is an effective and useful toothpaste so I like this company and this product.