New York State Cosmetology Practice Exam 2025 – Complete Prep Guide

Question: 1 / 400

What is the role of the cuticle in hair structure?

Adds color to the hair

Protects the inner layers and adds shine

The cuticle plays a crucial role in the structure of hair by acting as a protective layer for the inner layers, which include the cortex and medulla. This outermost layer consists of overlapping, scale-like cells that help shield the more delicate inner components from environmental damage and physical trauma. Additionally, the cuticle contributes to the overall appearance of hair by reflecting light, which results in a natural shine. This protective function is vital for maintaining the health and integrity of hair, as it prevents moisture loss and reduces the risk of damage from chemical treatments and heat styling. The clarity and smoothness of the cuticle also influence how well hair can hold moisture, color, and other treatments, further enhancing its aesthetic quality.

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Keeps hair follicles moist

Enhances hair growth

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