California Cosmetology Practice Exam

Perm papers are designed to absorb excess chemicals, usually from perm solution, in order to help control the ends of the hair during the perm process. A is incorrect because while a perm can make the hair appear stronger, it does not actually strengthen the hair itself. C is incorrect because perm papers do not change hair color. D is incorrect because while a perm can help improve the overall appearance of damaged hair, it is not a specific purpose of perm papers.