Alaska Hairdresser and Barber Certification Practice Exam 2025 - Free Hairdresser and Barber Certification Practice Questions and Study Guide

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What is an effect of using excessive heat on hair?

It can improve hair elasticity

It can enhance luster

It can lead to dryness and brittleness

Using excessive heat on hair can lead to dryness and brittleness due to the damage inflicted on the hair's structure. When hair is subjected to high temperatures from styling tools like straighteners, curling irons, or blow dryers, it can strip away natural moisture and oils that the hair needs to remain healthy. This loss of moisture results in the hair cuticle becoming rough and damaged, which manifests as a lack of flexibility and increased fragility. Over time, hair that has been frequently exposed to excessive heat may break or split easily, leading to an overall unhealthy appearance.

The other outcomes listed do not align with the effects of excessive heat. Improving elasticity, enhancing luster, or promoting healthier growth are benefits associated with proper hair care techniques and use of heat protectants, rather than the consequences of heat damage.

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It can promote healthier growth

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