Oklahoma Cosmetology Board Practice Exam 2026 - Free Cosmetology Practice Questions and Study Guide

Chemical treatments for hair, such as coloring, perming, or relaxing, can lead to damage when not performed correctly. The incorrect application of products—whether it's using too much product, not evenly distributing it, or applying it incorrectly—can cause the hair structure to break down, leading to issues such as dryness, brittleness, and frizz. Timing is also crucial; leaving a chemical treatment on for too long can create excessive damage, while not leaving it on long enough may not achieve the desired result, prompting the user to repeat the process too soon.

Mixing products inadequately can create harmful chemical reactions that may further compromise hair integrity. Ultimately, understanding the correct application techniques, the required timing for each treatment, and how to blend products safely are all vital aspects of preventing damage during chemical processes. Addressing these factors effectively ensures the health and appearance of hair are maintained, highlighting the importance of proper technique in the application of chemical treatments.