historyWikipedia1814 · India
Dean Mahomed brought shampooing to Britain in 1821, opening the first commercial shampoo bath in Brighton
The word shampoo comes from the Hindi cā̃pō, derived from a Sanskrit root meaning to press, knead or soothe, and it originally described a head massage with hair oils. Herbal cleansers were used in India for centuries, including extracts from soapberries and Indian gooseberry. In 1814 Dean Mahomed, an Indian traveller and surgeon, and his Irish wife Jane Daly ran shampooing bathhouses, and in 1821 they opened the first commercial shampooing vapour bath in England, in Brighton. His 1826 book on the treatment made him famous. Modern shampoo arrived in the 1930s with Drene, the first to use synthetic surfactants instead of soap.
Shampoo cleans hair with surfactants, molecules that have one end attracted to water and one end attracted to oil and dirt. They surround grease and lift it so it rinses away. Early soap-based products left hair dry because soap reacts with minerals in hard water, while synthetic surfactants work better.
Shampoo's history shows how an Indian massage and cleansing tradition reached Britain and then became a global industry. Dean Mahomed's bathhouses tied it to the seaside spa craze of the early 19th century. The shift from soap to synthetic surfactants explains why modern shampoo cleans hair without the dryness of soap.
Products that started as traditional remedies, such as herbal soaps and oils, were often later industrialised and sold worldwide. Shampoo follows a common path from local tradition to commercial standard.
Mesopotamian tablets from the Neo-Assyrian period record the use of medicated shampoo for scalp problems.
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Photo: thejbird, CC BY 2.0, via Wikimedia Commons
