Illinois Barber Practice Exam 2025 – 400 Free Practice Questions to Pass the Exam

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What is "cold perm" in hairstyling?

A method of drying hair

A chemical process that creates curls using ammonia or thioglycolate

A "cold perm" refers to a chemical process used in hairstyling to create permanent curls or waves in the hair. This technique utilizes either ammonia or thioglycolate to break down the hair’s disulfide bonds, allowing it to be reshaped into curls or waves. The process does not involve heat, which is why it is termed "cold."

This method is distinguished from hot perms, which use heat to enhance the curling effect. By employing a chemical solution without the addition of heat, the cold perm allows for a more uniform and longer-lasting curl.

In contrast to the other options provided, this definition captures the essence of what a cold perm is and its purpose in hairstyling. It is not merely a method of drying hair, nor is it an old-fashioned technique or a type of hair dye. Understanding this distinction is crucial for those studying barbering or hairstyling as it touches on the foundational principles of chemical hair processing.

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An old-fashioned styling technique

A type of hair dye

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