8 Kaolin Clay
Kaolin clay contains many minerals which help take stains off your teeth. Using kaolin clay is a safe method as it is soft and does not damage your teeth enamel at all. Compared to its abrasiveness, its ability to remove stains is quite high. It takes time to see a visible difference using kaolin clay but it is safe to use regularly compared to some other methods. Use it with your toothbrush to brush your teeth.