who came up with toothpast?

Answer 1

Toothpaste was used as long ago as 500 BC in China and India. Modern toothpastes were developed in the 1800s. A dentist called Peabody was the first to add soap to toothpaste in 1824. Chalk was first added to toothpaste by John Harris in the 1850s. In 1873, toothpaste was first mass-produced nice smelling toothpaste in a jar. In 1892, Dr. Washington Sheffield of Connecticut was the first to put toothpaste into a collapsible tube. Sheffield's toothpaste was called Dr. Sheffield's Creme Dentifrice. Advancements in synthetic detergents (after WW II) replaced the soap used in toothpaste with emulsifying agents such as Sodium Lauryl Sulphate and Sodium Ricinoleate. Later, research resulted in the use of fluoride in toothpaste.

Answer 2

The earliest known reference to a toothpaste is in a manuscript from Egypt in the 4th century A.D., which prescribes a mixture of powdered salt, pepper, mint leaves, and iris flowers. Many early toothpaste formulations were based on urine. However, toothpastes or powders did not come into general use until the 19th century.

Answer 3

Not the British.