It is to the French hairdresser Marcel Grateau that we owe the popularization of the modern curling iron in the second half of the 19th century, especially with stars attending his salons in Paris and then in London. The curly wave style was then so closely associated with the hairdresser that these curls have since been called “marcel waves”. Before the invention of electric irons in the 1930s, curling irons were metal tongs with two to five arms and wooden or metal handles, to be heated in a small tank of boiling water. Unknown donor. 

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