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Application of SPF moisturisers is inferior to sunscreens in coverage of facial and eyelid regions

Author

Listed:
  • Elizabeth A J Lourenco
  • Liam Shaw
  • Harry Pratt
  • Georgia L Duffy
  • Gabriela Czanner
  • Yalin Zheng
  • Kevin J Hamill
  • Austin G McCormick

Abstract

Many moisturisers contain sun protection factors (SPF) equivalent to those found in sunscreens. However, there is a lack of research into how SPF moisturiser application compares to sunscreens in terms of coverage achieved and protection afforded. Previously we demonstrated that users incompletely covered their eyelid regions during routine sunscreen application. Here, we aimed to determine if SPF moisturiser users also displayed these tendencies. A study population of 84 participants (22 males, 62 females, age 18–57) were exposed to UV radiation and photographed using a tripod mounted UV sensitive DSLR camera on two separate visits. At visit one, images were acquired before and after applying either SPF30 sunscreen or moisturiser, then at visit two the study was repeated with the other formulation. Images were processed for facial landmark identification followed by segmentation mapping of hue saturation values to identify areas of the face that were/were not covered. Analyses revealed that application of moisturiser was significantly worse than sunscreen in terms area of the whole face missed (11.1% missed with sunscreen compared to 16.6% for SPF moisturiser p

Suggested Citation

  • Elizabeth A J Lourenco & Liam Shaw & Harry Pratt & Georgia L Duffy & Gabriela Czanner & Yalin Zheng & Kevin J Hamill & Austin G McCormick, 2019. "Application of SPF moisturisers is inferior to sunscreens in coverage of facial and eyelid regions," PLOS ONE, Public Library of Science, vol. 14(4), pages 1-11, April.
    • Handle: RePEc:plo:pone00:0212548
    DOI: 10.1371/journal.pone.0212548
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