Ace the Illinois Cosmetology Exam 2025 – Glam Up and Shine Bright!

Before beginning any chemical treatment, it is essential for a stylist to check for allergy history and patch test results. This step is crucial because chemical treatments can cause allergic reactions or skin sensitivities in some clients. By reviewing allergy history and performing a patch test (if appropriate), the stylist can identify any potential adverse reactions to the chemicals involved in the treatment. This proactive approach prioritizes client safety and helps prevent adverse effects that could arise during or after the procedure.

Understanding previous hair color history is also important, but the immediate focus should be on allergies to ensure that the chemicals used will not cause harm. Other factors like previous haircut styles or the client’s age may be relevant to the overall styling process, but they do not directly impact the health and safety considerations related to chemical treatments as effectively as checking for allergies does.