Ontario Hairstyling Practice Exam

Question: 1 / 400

What is raised in the hair when chemical solutions are used?

Acidic state

Neutral state

Alkaline state

When chemical solutions are applied to the hair, they often alter the pH level, usually moving the hair towards a more alkaline state. Alkaline solutions have a higher pH than neutral or acidic solutions. This increase in alkalinity opens the hair cuticle, allowing for better penetration of the chemical solution and facilitating processes such as coloring, perming, or relaxing.

In hair treatments, alkaline solutions are commonly used because they help to break down the disulfide bonds in the hair, which are responsible for its structure. This breakdown is essential for effective manipulation of the hair, whether that's reshaping it with a perm or lightening it with bleach. Therefore, understanding the role of alkalinity in chemical hair treatments is crucial for hairstylists, as it influences the effectiveness of the products being used on the hair.

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