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  1. 26 Μαΐ 2023 · We all know the importance of SPF, but what does SPF actually mean? Inside, dermatologists define what SPF means, when and how to use it, and formula tips.

  2. 25 Σεπ 2023 · A 2014 study found that overall, consumers only use about 20 to 50% of the amount of sunscreen needed to achieve the numbered protection on the bottle. Surprised? Read on to learn the correct way to apply SPF and the best sunscreens to work into your routine, according to dermatologists.

  3. 10 Ιαν 2020 · Sun protection factor, or SPF, tells you how long a particular product will protect you from harmful UVA rays, and the percentage of UVB rays that it is able to block. Using SPF products is crucial to prevent skin cancer and premature skin aging, but it can not offer 100% protection.

  4. 22 Ιουν 2023 · SPF works by extending your skin’s natural defenses against the sun’s rays. For example, an SPF of 15 provides about 15 times more protection than just your normal skin...

  5. 10 Ιουν 2024 · What's the right level of SPF to use? “The SPF should be 15 or higher — ideally, 30 or higher if you’ll be spending extended time outdoors,” says Dr. Engelman. “Be sure the sunscreen says...

  6. 2 Μαΐ 2024 · These five tips from board-certified dermatologists tell you which type of sunscreen to use, how to apply it correctly, and when to reapply: Choose a sunscreen that has an SPF of 30 or higher, is water resistant, and provides broad-spectrum (UVA and UVB rays) coverage.

  7. 4 Μαΐ 2023 · Use SPF 30 or Higher . Generally speaking, most skin tones should stick to a product that's at least SPF 30 and has the words "broad spectrum" on the bottle (which means it's effective at blocking both UVA and UVB rays). Contrary to some theories, applying sunscreen is important for all skin tones.

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