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

Question: 1 / 400

What is one function of a facial serum?

To clean the skin

To provide targeted treatment

A facial serum is designed to deliver high concentrations of active ingredients directly to the skin, which allows it to provide targeted treatment for specific skin concerns. This function sets serums apart from other skincare products, such as cleansers, which are designed to remove dirt and impurities, or sunscreens that protect against UV damage. Serums often contain powerful ingredients, like antioxidants, peptides, or hyaluronic acid, aimed at addressing issues such as fine lines, hyperpigmentation, or dryness. Their lightweight formulation enables deeper penetration into the skin, making them effective for personalized skin care regimens.

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To act as a sunscreen

To enhance polish adherence

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