Answer: A Perm is the chemical and/or thermal treatment of hair to produce waves, curls or straight hair. It is also known as a permanent wave. The use of the word 'permanent' is justified insofar as when the wave is permed, it remains so; however, as the hair grows, the new hair that grows has not been waved, while cutting the hair from the end removes that which is waved, giving the impression that the permanent wave gradually disappears. In cosmetology, it is termed a type of Curl Reformation.
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