Its chemical free. Once I have visited in Patanjali haridwar where these oroducts are manufacturing. I have seen from my eyes they are in real not using any chamical. They Use jadi booties and products which are foun from trees and plants.and crush dhem into into form of pest. Its 100? original product. I like it becouse of its test also. I have very sensebl teeth but from when I have started using Patanjali Dant kanti dental pest I am feeling so relaxed. Its one of the good products.