Maine Cosmetologist Practice Exam 2025 – 400 Free Practice Questions to Pass the Exam

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What service uses a chemical solution to change the structure of hair?

Perming

Perming is a chemical process that alters the structure of the hair to create waves or curls. This service employs specific chemicals that break the disulfide bonds in the hair's protein structure. Once these bonds are broken, the hair can be reshaped and then neutralized to hold the new shape, resulting in the desired curl pattern.

In contrast, blow drying simply utilizes heat to reshape the hair temporarily without any chemical intervention, while smoothing treatments often aim to reduce frizz and enhance manageability, sometimes using chemicals but not necessarily altering the fundamental structure as perming does. Coloring involves the application of pigments to change the hair's color rather than its physical shape or structure. Therefore, perming is the only service among the choices that specifically involves a chemical solution to fundamentally change the way hair is structured.

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Blow drying

Smoothing treatments

Coloring

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