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Development and validation of a novel cosmetics safety assessment scale (CSAS): Factual understanding of cosmetic safety and fostering international awareness

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  • Ammar Abdulrahman Jairoun
  • Sabaa Saleh Al-Hemyari
  • Moyad Shahwan
  • Shazia Jamshed
  • Justyna Bisgwa

Abstract

Background: Falsified cosmetics are increasingly common especially online through social media networks and mobile applications. Objectives: This study developed and validated a novel tool to evaluate the safety of cosmetics and personal care products in the United Araba Emirates (UAE). Method: This is methodological validation study and the data were derived from a cross-sectional study conducted on students and staff at Ajman University (AU) in the UAE. The study sample was selected via simple random sampling. The link to the survey was sent to potential respondents via email, and the responses were analysed using SPSS version 26. Content validity, factor analysis, and known group validity were employed to construct and validate an instrument that will enable the identification of cosmetics safety. The instrument’s reliability was evaluated using test-retest reliability, internal consistency, item internal consistency (IIC), and intraclass correlation coefficients (ICCs). Results: The study sample included 978 participants. The content validity index for the final 24-item scale was 0.84. The Kaiser-Meyer-Olkin value was 0.959 with a statistically significant Bartlett’s test of sphericity (p

Suggested Citation

  • Ammar Abdulrahman Jairoun & Sabaa Saleh Al-Hemyari & Moyad Shahwan & Shazia Jamshed & Justyna Bisgwa, 2022. "Development and validation of a novel cosmetics safety assessment scale (CSAS): Factual understanding of cosmetic safety and fostering international awareness," PLOS ONE, Public Library of Science, vol. 17(11), pages 1-14, November.
    • Handle: RePEc:plo:pone00:0276938
    DOI: 10.1371/journal.pone.0276938
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