Kentucky Cosmetology State Practice Exam 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

What should be done before applying a chemical treatment?

Perform a strand test

Performing a strand test is crucial before applying a chemical treatment because it allows the cosmetologist to assess how the hair will react to the chemicals. This test involves applying the chemical treatment to a small section of hair and observing the results. It helps to determine the correct processing time and whether the hair can handle the treatment without sustaining damage. By identifying the hair's porosity, elasticity, and overall health through this test, the stylist can make informed decisions on how to proceed, ensuring the safety and efficacy of the treatment for the client.

While washing the hair, applying a deep conditioner, or using a heat protectant may be beneficial steps in hair care, they do not provide the same critical information regarding the hair's suitability for a specific chemical process. The strand test is directly tied to the chemical treatment's success, making it an essential preparatory step.

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Wash the hair

Apply a deep conditioner

Use a heat protectant

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