Illinois Cosmetology Practice Exam 2026 – All-in-One Guide to Master Your Licensing Test!

Question: 1 / 400

What is the role of a perm rod?

To straighten hair during treatment

To add volume to flat hair

To curl the hair during a perm process

The role of a perm rod is to curl the hair during the perm process. Perm rods are specifically designed to create different sizes and types of curls by wrapping the hair around them and applying a chemical solution that alters the structure of the hair. When the solution is set and then neutralized, the hair retains the curl shape formed by the rod.

This functionality is crucial because the size and type of the perm rod used directly affect the final style of the curls, ranging from tight ringlets to loose waves. Understanding this allows cosmetologists to tailor the treatment according to the client’s desired outcome. This option stands out as the primary function of perm rods, distinguishing it from activities like straightening, adding volume, or drying hair, which each involve different tools and techniques.

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To dry hair quickly

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