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When should a patch test to determine whether a client is allergic to an aniline derivative tint be given?



A. Immediately before the hair coloring service
B. One hour before the hair coloring service
C. 24-48 hours before the hair coloring service
D. Immediately after the hair coloring service

This question is part of Cosmetology State Board Practice Exam 3
Asked by Wyatt Williams, Last updated: Mar 30, 2020

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2 Answers

L. Hawkes

L. Hawkes, Teacher, Memphis

Answered Oct 11, 2018

When someone goes to the doctor because they are allergic to something, the doctor may perform a patch test. Most of the times, this is a common procedure because it isolates the allergy. The cause of the allergy needs to be known by the patient in order to determine what the patient should stay away from as well as determining how to treat it. The patch test is put on the patient’s back and there are a number of circles.

The doctor puts some type of allergy onto the back and observes it. This lets the doctor know whether the back reacted to that allergy. If you want to know if a client is allergic to an aniline derivative tint, the patch test should be given about twenty-four to forty-eight hours before the hair coloring service is administered.

 

John Smith

John Smith

Answered Mar 23, 2017

24-48 hours before the hair coloring service
 

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