Missouri Board of Cosmetology Practice Exam

Question: 1 / 400

What common chemical used in hair coloring is regulated by the Missouri Board?

Hydrogen peroxide

Ammonia

Ammonia is a common chemical used in hair coloring, and it is regulated by the Missouri Board of Cosmetology due to its potential effects on both clients and practitioners. Ammonia is used to open the hair cuticle, allowing the hair dye to penetrate the hair shaft effectively. However, it can also cause irritation to the skin and respiratory system, especially in higher concentrations or with prolonged exposure. Because of these health concerns, the regulation ensures that safety measures are in place to protect both consumers and professionals in the beauty industry. This oversight includes guidelines on safe usage, required training on handling such chemicals, and necessary labeling to inform users about potential risks.

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Alcohol

Formaldehyde

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