Whitening toothpastes
First toothpastes were manufactured in ancient Egypt and consisted of a mixture of vinegar and pumice. And although modern whitening toothpastes have a complex composition and include many different components, all of toothpaste, bleach as well as simpler, include a number of similar components: Abrasives – Abrasives vary and may include dicalcium phosphate, silicon oxide [...]
Toothpaste
Toothpaste jelly-like mass (paste or gel) for cleaning teeth. Previously, was prepared on the basis of chalk, modern toothpastes mainly based on silicates. The earliest mention of the toothpaste is contained in an Egyptian manuscript IV century BC. er., her recipe was a mixture of powdered salt, pepper, mint leaves and flowers of iris. Previously, [...]