Do you need SPF 30, 50 or 100? Dermatologists answer your burning sunscreen questions

Do you need SPF 30, 50 or 100? Dermatologists answer your burning sunscreen questions

PBS health

Key Points:

  • This article originally appeared on PolitiFact
  • The numbers that signal summer's approach are here: The countdown to the last day of school. A 90-degree forecast. And, of course, SPF 30. Or 50? Or mayb

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