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  1. www.webmd.com › skin-problems-and-treatments › uv-index-overviewThe UV Index Explained - WebMD

    2024年2月12日 · UV index is a color-coded scale that gives you an idea of your UV ray exposure. It works like this: Low exposure (green): 1-2. Moderate exposure (yellow): 3-5. High exposure (orange): 6-7. Very...

  2. 2022年11月7日 · Sunscreen is a cosmetic compound that protects you from the sun’s rays and lowers your risk of skin cancer. Aside from staying inside or wearing clothing head-to-toe, sunscreen is your next best...

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