California Cosmetology Practice Exam 2026 - Free Cosmetology Practice Questions and Study Guide

Question: 1 / 515

In nail services, what is the role of a base coat?

To add color vibrancy

To protect the natural nail and improve polish adhesion

The role of a base coat in nail services is primarily to protect the natural nail and improve the adhesion of nail polish. Applying a base coat creates a barrier between the nail and the nail polish, which can help prevent staining from colored polishes and enhance the longevity of the manicure. By creating a smooth surface, the base coat allows for better application and adherence of the colored polish on top, reducing the likelihood of chipping and facilitating an even finish.

In contrast to the other options, while some may incorporate properties such as color vibrancy or glossy finishes, these functions are not attributed to the base coat. Instead, those are characteristics associated with colored polishes or top coats. Likewise, a base coat does not speed up drying time; that is typically a function of quick-dry top coats or specialized quick-drying products.

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To act as a quick-dry layer

To provide a glossy finish

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