Pennsylvania Cosmetology Practice Exam 2026 - Free Cosmetology Practice Questions and Study Guide

Question: 1 / 400

Which hair type has a round cross-section?

Wavy hair

Curly hair

Straight hair

Straight hair has a round cross-section, which contributes to its smooth, sleek appearance. This round shape allows the hair to lie flat against the scalp and gives it a shiny, uniform texture. Straight hair does not have the bends or twists that can be found in other hair types, which typically results in different cross-sectional shapes.

In contrast, wavy hair usually has an oval-shaped cross-section that contributes to its loose structure and movement. Curly hair often has a more elliptical or oval cross-section, which helps create the tight spirals or curls. Kinky hair, on the other hand, may feature a more irregular cross-section, leading to its distinct zigzag appearance. Each hair type is defined not only by its surface characteristics but also by the shape of its cross-section, affecting its overall behavior and styling potential.

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Kinky hair

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