Psi cosmetology practice exam with correct answers

When using a chemical relaxer, which of the following must you avoid using? - correct answersbleaches or high-lift color products All of the following are reasons to perform a strand test EXCEPT - correct answersto determine the type of shampoo that is best for the hair When using a chemical relaxer, it changes the shape of the hair by breaking down which of the following? - correct answersdisulfide bonds When preparing for a virgin relaxer application, which of the following would be done FIRST? - correct answersperforming test for elasticity and porosity Which of the following is the term for a permanent wrap when it is wrapped from the ends to the scalp in overlapping layers? - correct answerscroquignole perm wrap In a relaxer, which of the following active ingredients has a 9.6-10.0 pH? - correct answersammonium thioglycolate When anaylizing the hair before a chemical relaxer, it is necessary to evaluate the hair for all of the following EXCEPT - correct answerscolor Which permanent wave has a pH of 9.0-9.6? - correct answerscold wave