Utah Cosmetology and Barbering Practice Exam

Question: 1 / 400

What must be done before any chemical service on hair?

A patch test

A strand test

Before performing any chemical service on hair, conducting a strand test is essential. This test helps determine how the hair will react to the chemical being used, assessing its strength, elasticity, and porosity. By taking a small section of hair and applying the chemical to it, you can observe the hair's response. This informs the stylist about the appropriate processing time and whether any adjustments need to be made based on the hair's condition.

A patch test, while important for assessing allergies to certain chemicals, does not provide the insights needed for hair treatment. Likewise, a color test and a volume test are not standard practices associated with determining hair compatibility for chemical services. Therefore, performing a strand test is the most effective way to ensure client safety and achieve desired results in hair treatments.

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A color test

A volume test

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