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What is the primary role of sunscreen in a skin care routine?

  1. To keep the skin moisturized

  2. To prevent sun damage from UV radiation

  3. To enhance skin texture

  4. To promote healing of acne

The correct answer is: To prevent sun damage from UV radiation

The primary role of sunscreen in a skin care routine is to prevent sun damage from UV radiation. Sunscreen is formulated with ingredients that absorb, reflect, or scatter sunlight, specifically targeting the harmful effects of ultraviolet (UV) rays. These rays can lead to various skin issues, including sunburn, premature aging, and an increased risk of skin cancer. By applying sunscreen regularly, especially before sun exposure, individuals can effectively shield their skin from these damaging effects, allowing for healthier skin over time. Other roles, such as moisturizing, improving skin texture, or aiding in the healing of skin conditions like acne, are not the primary purpose of sunscreen. While some products may combine sunscreen with moisturizing agents or other benefits, the fundamental function of sunscreen remains its protective capability against UV radiation.