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  • Presentation

Sunscreen Controversies

Description

The discussion covers various controversies surrounding sunscreen use, addressing emerging concerns from patients due to misinformation and media hype. Key topics include the effects of visible light, particularly blue light from devices, on skin health. Current evidence suggests that blue light exposure from devices is not harmful, contrary to popular belief, and that consumers are easily misled by social media recommendations. The presentation also highlights the debate over SPF values, showing that while higher SPFs may reduce sunburn occurrences, general user noncompliance in applying adequate amounts of sunscreen diminishes effectiveness. Additionally, the potential link between sunscreen use and frontal fibrosing alopecia (FFA) is examined, noting associations but emphasizing the need for more robust studies to determine causation. Concerns over sunscreen ingredients, particularly their absorption and potential endocrine effects, are discussed. While the FDA continues to monitor safety without discouraging sunscreen use, the environmental impact of sunscreen ingredients on marine ecosystems is also a growing concern that requires further research. The session concludes by stressing the necessity for ongoing studies and better sun protection options while advocating for personalized advice for consumers.

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Conclusions

  • Blue light from devices is not identified as a significant hazard to human skin, contrary to popular belief.
  • Social media often misrepresents the need for protection from blue light, focusing excessively on screens rather than sunlight.
  • Patients should be primarily concerned with protection against visible light from the sun rather than electronic devices.
  • High SPF sunscreens provide better protection against sunburn than lower SPF options in real-life settings.
  • Most consumers fail to apply the recommended amount of sunscreen, reducing its effectiveness significantly.
  • Higher SPF sunscreens may be necessary for individuals with photodermatoses or those exposed to intense sun.
  • There is a positive association between sunscreen use and frontal fibrosing alopecia, but further research is required to establish causation.
  • Both organic and inorganic sunscreens have been implicated in potential health concerns, necessitating further investigation.
  • Studies show systemic absorption of sunscreen ingredients; however, the clinical significance remains unclear and requires more assessment.
  • Environmental concerns regarding sunscreen filters exist, but more research is needed to understand their impact on ecosystems.
  • Overall, while controversies exist around sunscreen, awareness and education on proper usage and the benefits of sunscreen are crucial.
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  • Robinson, Gabrielle et al. "Sunscreen and frontal fibrosing alopecia: A review." Journal of the American Academy of Dermatology vol. 82,3 (2020): 723-728. doi:10.1016/j.jaad.2019.09.085
  • Maghfour, Jalal et al. "The association between frontal fibrosing alopecia, sunscreen, and moisturizers: A systematic review and meta-analysis." Journal of the American Academy of Dermatology, S0190-9622(22)00083-4. 21 Jan. 2022, doi:10.1016/j.jaad.2021.12.058
  • Kam O, Na S, Guo W, Tejeda CI, Kaufmann T. Frontal fibrosing alopecia and personal care product use: a systematic review and meta-analysis. Arch Dermatol Res. 2023 Oct;315(8):2313-2331. doi: 10.1007/s00403-023-02604-7. Epub 2023 Apr 4. PMID: 37014396.
  • Matta, M. K ., et al. (2019). "Effect of Sunscreen Application Under Maximal Use Conditions on Plasma Concentration of Sunscreen Active Ingredients: A Randomized Clinical Trial." Jama 321(21): 2082-2091.
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  • Chang MS, Moore KJ, Trepanowski N, Koru-Sengul T, Hartman RI. Sunscreen use is not associated with increased blood concentrations of benzene among adults in the United States: Data from the National Health and Nutrition Examination Survey 2003-2006 and 2009-2018. J Am Acad Dermatol. 2022 Aug;87(2):440-443. doi: 10.1016/j.jaad.2021.09.003. Epub 2021 Sep 10.
  • National Academies of Sciences, Engineering, and Medicine; Health and Medicine Division ... National Academies Press (US); 2022 Aug 9. PMID: 36479751.