Esthetics Core Written Practice Test

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What is the primary function of sunscreen?

Enhance tanning

Prevent sun damage

The primary function of sunscreen is to prevent sun damage. Sunscreen works by forming a protective barrier on the skin that absorbs, reflects, or scatters the sun's ultraviolet (UV) radiation, primarily UVA and UVB rays. This is crucial because UV radiation is a major contributing factor to skin damage, including sunburn, premature aging, and an increased risk of skin cancer.

While some products may include moisturizing ingredients or even bronzers to enhance tanning, the core purpose of sunscreen is to protect the skin from harmful rays. It does not block all UV rays; rather, it reduces their penetration to minimize potential damage. Ultimately, regular use of sunscreen is essential for maintaining healthy skin and preventing the adverse effects associated with sun exposure.

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Moisturize the skin

Block all UV rays

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