Ontario Hairstyling Practice Exam 2025 – The All-In-One Guide to Master Your Certification!

Question: 1 / 400

Before applying a chemical straightener, what is essential to perform?

Patch Test

Strand Test

The strand test is essential before applying a chemical straightener because it helps to determine how the hair will react to the treatment. By testing a small portion of the hair, the stylist can evaluate the hair's condition, texture, and porosity, all of which influence how the chemical will process. This test also allows the stylist to assess the processing time needed for the specific hair type and condition, ensuring optimal results while minimizing the risk of damage.

Conducting a strand test helps prevent unexpected outcomes, such as excessive curl removal or hair damage, as the stylist can adjust their approach based on the results observed in the test. It serves as a safeguard, providing insight into the effectiveness of the chemical straightener on that particular client's hair.

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Color Test

Moisture Test

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