Iowa Cosmetology Practice Exam 2025 - Free Cosmetology Practice Questions and Study Guide

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What type of hair is most likely to be damaged by heat styling?

Coarse hair

Normal hair

Fine hair

Fine hair is most likely to be damaged by heat styling due to its unique characteristics. Fine hair strands are typically thinner and more fragile than coarse or curly hair types. This means that they contain less structural protein and are more susceptible to breakage and damage when exposed to high temperatures from styling tools like flat irons, curling wands, or blow dryers.

When heat is applied, fine hair can lose moisture more quickly, leading to dryness and brittleness. Additionally, because fine hair is often less dense, the heat can penetrate more deeply, increasing the risk of heat-related damage. Regular heat exposure without proper protection—such as heat protectant products—can exacerbate these issues, leading to further deterioration of the hair's health and appearance.

Understanding the nature of different hair types helps in selecting appropriate styling methods and products, ensuring that hair remains healthy and vibrant.

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Curly hair

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