Current sunscreen controversies: a critical review

@article{Burnett2011CurrentSC,
  title={Current sunscreen controversies: a critical review},
  author={Mark E. Burnett and Steven Q. Wang},
  journal={Photodermatology},
  year={2011},
  volume={27}
}
Background/purpose: Sunscreens are believed to be a valuable tool in providing photoprotection against the detrimental effects of UV radiation, a known carcinogen. However, a number of controversies have developed regarding their safety and efficacy. This review summarizes the relevant studies surrounding these controversies. 
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TLDR
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