Louisiana Cosmetology Board Practice Exam 2025 - Free Cosmetology Practice Questions and Study Guide

Question: 1 / 400

What safety precaution should be taken when using a straightening iron?

Ensure the hair is completely clean

Ensure the hair is completely dry to avoid damage

Using a straightening iron on completely dry hair is vital for safety and achieving the best results. When hair is wet, it contains a significant amount of water, which can cause steam and heat damage when exposed to the high temperatures of a straightening iron. This can lead to hair breakage, frizz, and other forms of thermal damage, as the moisture inside the hair can essentially boil, causing the hair structure to weaken.

Dry hair, on the other hand, allows the straightening iron to work effectively, enabling smooth, sleek results without the risk of moisture-related damage. Additionally, using styling tools on dry hair helps in achieving a straighter and more polished look, minimizing the risk of burning or causing split ends. This understanding of hair care is essential for practicing safe styling techniques in cosmetology.

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Use it on wet hair for better results

Use it sparingly only on the ends

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