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Before perming a client's hair, it's essential to conduct a patch test to check for any allergic reactions to the perm solution. A strand test should also be performed to assess the hair's condition and determine how it will react to the chemicals, ensuring desired results without damage. Additionally, evaluate the hair's porosity and elasticity to ensure it can withstand the perm process. Lastly, consider the client's hair history, including previous chemical treatments, to avoid complications.

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2mo ago

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