Kentucky Cosmetology State Practice Exam 2025 - Free Cosmetology Practice Questions and Study Guide

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What is a common cause of split ends?

Excessive heat styling

Excessive heat styling is a common cause of split ends because high temperatures from styling tools like blow dryers, curling irons, and straighteners can damage the hair cuticle. When the cuticle gets damaged, it becomes rough and porous, leading to fraying and ultimately resulting in split ends. This mechanical damage weakens the hair, making it more susceptible to splitting as it dries and becomes brittle.

In contrast, regular trims help to remove split ends and prevent further damage, while moisturizing treatments can enhance the hair's elasticity and overall health, minimizing the risk of split ends. Proper washing techniques can also maintain hair health by preventing buildup and breakage, further decreasing the likelihood of developing split ends.

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Regular trims

Moisturizing treatments

Proper washing

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