Nevada Barber Practice Exam 2025 - Free Barber Practice Questions and Study Guide

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What can excessive heat do to hair?

It can enhance shine and smoothness

It can lead to dryness, breakage, and damage

Excessive heat can lead to dryness, breakage, and damage as it strips moisture from the hair, disrupting its natural structure. Hair is made up of proteins, and when subjected to high temperatures, the protective outer layer, known as the cuticle, can become damaged. This results in a loss of hydration, making the hair brittle and more susceptible to breakage. Additionally, when hair becomes too dry, it can develop split ends and overall unhealthy, frizzy appearances.

While some heat styling methods may temporarily enhance shine or manageability, sustained high temperatures are detrimental to hair health. Over time, the cumulative effects of heat can compromise the integrity of the hair strands, leading to long-term damage. This understanding underscores the importance of using heat protectants and moderating heat exposure during styling to maintain healthy hair.

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It can promote healthy growth

It can improve manageability

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