Kansas Cosmetology Practice Exam

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What is the purpose of using a moisturizer on the skin?

To hydrate and maintain skin barrier
To exfoliate dead skin cells
To reduce the appearance of wrinkles
To provide sun protection

The correct answer is: To hydrate and maintain skin barrier

The purpose of using a moisturizer on the skin primarily revolves around hydration and maintaining the skin barrier. Moisturizers are formulated to add and retain moisture in the skin, which is essential for keeping the skin healthy, plump, and radiant. A well-hydrated skin barrier is crucial, as it protects the skin from environmental stressors, prevents moisture loss, and can help reduce the risk of irritation and dryness. While the other options may pertain to aspects of skincare, they do not accurately represent the primary function of a moisturizer. Exfoliating dead skin cells is typically the role of specific exfoliating products rather than a moisturizer. Reducing the appearance of wrinkles can be a benefit of some moisturizing ingredients, but it is not their primary purpose. Providing sun protection is a function of sunscreen, which is designed to shield the skin from UV rays, rather than being a characteristic of moisturizers. Thus, hydration and maintaining the skin barrier remain the central focus when considering the role of moisturizers in skincare.