Kentucky Barber Practice Exam 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

Which part of the hair is affected by hair color?

The hair root

The hair shaft

Hair color primarily affects the hair shaft, which is the visible part of the hair that extends above the scalp. When a hair color product is applied, it penetrates the cuticle (the outer layer of the hair shaft) and interacts with the melanin (natural pigment) present in the cortex (the inner layer) of the hair. This process alters the color of the hair shaft, ultimately resulting in the desired color change.

While the hair root and hair follicle are involved in hair growth and development, they do not directly influence the color of the hair that is visible outside the scalp. The hair tip, or end of the hair shaft, also reflects the color but is not the primary area affected when color is applied. Thus, the hair shaft is the correct answer as it is the portion of the hair that undergoes the transformation necessary for coloring.

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The hair follicle

The hair tip

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