Pennsylvania Cosmetology Practice Exam

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Prepare for the Pennsylvania Cosmetology Exam with study materials featuring flashcards and multiple choice questions. Each question comes with hints and explanations to enhance your understanding. Ace your exam with confidence!

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What characterizes oxidative color?

Temporary change
Semi-permanent color
Demi-permanent and permanent color
Physical change only

The correct answer is: Demi-permanent and permanent color

Oxidative color is characterized by the use of a developer, which causes the color molecules to penetrate into the hair shaft. This results in a lasting and permanent change in hair color. Options A and B, temporary and semi-permanent color, do not involve a developer and only coat the hair externally, resulting in a temporary change. Option D, physical change only, does not involve any chemical reaction and will not result in a lasting color change. Demi-permanent and permanent color, option C, are the only options that involve a chemical reaction and result in a long-lasting change in hair color.