8/27/2023 0 Comments Spiral for hair![]() Skill using the wrist could produce slight variations of the wave. Each time the tongs were applied, they were moved slightly in a direction normal to the lock of hair, thus producing a continuous flat or two-dimensional wave. The procedure was to comb a lock of hair towards the operator, moving the comb slowly with one hand to maintain some tension, while applying the tongs to the hair successively down the lock of hair towards the point. ![]() The waving itself was safe if care was taken to keep the tongs away from the scalp. The tongs were generally heated over a gas or alcohol flame and the correct temperature was achieved by testing the tongs on a newspaper if the paper browned slightly it was about right. He devised a pair of specially manufactured tongs, in which one of the arms had a circular cross-section and the other a concave one, so that one fitted inside the other when the tongs were closed. The first person to produce a practical thermal method was Marcel Grateau in 1872. The same process is used for chemical straightening or relaxing, with the hair being flattened instead of curled during the chemical reaction. In the latter method, chemicals are applied to the hair, which is then wrapped around forms to produce waves and curls. Perms may be applied using thermal or chemical means. The curls may last a number of months, hence the name. Afro permanent on a male resident of Miami Beach in 1972Ī permanent wave, commonly called a perm or permanent (sometimes called a "curly perm" to distinguish it from a " straight perm"), is a hairstyle consisting of waves or curls set into the hair.
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