Chemistry of Toothpaste - 505 Words
The Chemistry of Toothpaste
Toothpaste is not a new thing. It has been traced back to Ancient Egypt. They used a powdered rock and vinegar, which created a chemical reaction that dissolves the plaque on teeth. In 1900’s people used hydrogen peroxide and baking soda or chalk, pulverised brisk and salt as a toothpaste. Toothpastes today, are mostly made up of abrasives, surfactants, a detergent, a thickener, a moisturizer, water, flavouring agents, coloring, sweeteners, fluoride and...
505 Words | 2 Pages