Colorado Cosmetology Written Practice Exam

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All colors that contain aniline derivative tints require a _______ before application?

Match test
Patch test
Shade test
Tone test

The correct answer is: Match test

Colors that contain aniline derivative tints, which are synthetic dyes, can potentially cause adverse reactions on the skin. In order to prevent this, a match test is required before application, where a small sample is applied and checked for adverse reactions. This is different from a patch test, which is used to test for compatibility of products, rather than specifically aniline derivative tints. A shade test is not necessary as the color will not change, and a tone test also does not accurately measure for potential reactions. Therefore, the correct answer is A, a match test.