A composition for cleaning teeth may include natural glass, wherein the natural glass has a top particle size (d90) less than 50 &mum and a median particle size (d50) less than 30 &mum, and wherein the natural glass ranges from 0.1 percent to 20 percent by weight of the composition. A natural glass composition may have a top particle size (d90) less than 50 &mum, a median particle size (d50) less than 30 &mum, and exhibit an RDA value less than 220. The composition for cleaning teeth may include a toothpaste base.
