Today is National Shampoo Day. 10 things you might not know about that stuff you wash your Hair with.
The word shampoo comes to us from India and is derived from the Sanskrit for 'to press, knead, or soothe'. In fact, there is a kind of Indian head massage with hair oil known as shampoo. The "wash the hair" meaning of shampoo was first recorded in 1860.
People have been using substances akin to shampoo for centuries. Ancient Mesopotamian tablets from the Neo-Assyrian period document the use of medicated shampoos for scalp problems.
A traveller from India called Sake Dean Mahomed opened a bathhouse in Brighton in 1814 offering hair treatments for health. The idea of shampooing had arrived in the UK.
Early ingredients in shampoos included soapberries, the husks and straw of Rice, the bark of vines, and the soapy substance that had to be washed out of quinoa before cooking. The first shampoos in England were made by hairdressers by boiling shaved Soap in water and adding herbs for shine and fragrance.
Today, a shampoo will contain a cleaning agent known as a surfactant, Water, salt for thickening, a preservative and something to make it smell nice.
Shampoos can contain ingredients deemed harmful to some. People can be allergic to some of them. The EU bans 1328 ingredients from shampoo. Canada bans 587, and the US just 11.
In 1900, a German perfumer, Josef Wilhelm Rausch, created the first liquid hair washing soap. After this, commercial shampoos began to appear. Mass produced shampoos were first introduced in 1927 by Hans Schwarzkopf, whose name is a well-known haircare brand to this day.
Dry shampoo is a type of shampoo which reduces hair greasiness without having to rinse it off with water. The first commercially produced dry shampoo was sold in the 1940s, but substances very like it had been used for centuries. The first written reference to dry shampoo in the United States is from the late 1700s when it evolved from the starches used for cleaning Wigs.
Human shampoo is not recommended for use on animals as they might lick their fur and ingest something nasty. There is special shampoo for animals which might also include ingredients to treat skin problems or to kill fleas. Even these need to be used with care and only as directed by a vet.
Shampoo works by removing sebum, the natural oils and dirt from the hair. Some people believe this is a bad thing, and/or that the more you shampoo your hair, the more oil it will produce, to compensate. They suggest washing the hair less often, just rinsing it with water or using natural ingredients such as baking soda, Vinegar, diluted Honey, raw Eggs, rye flour, or chickpea flour.







