biostudies-literatureUnknown17(11)Jairoun AA<h4>Background</h4>Falsified cosmetics are increasingly common especially online through social media networks and mobile applications.<h4>Objectives</h4>This study developed and validated a novel tool to evaluate the safety of cosmetics and personal care products in the United Araba Emirates (UAE).<h4>Method</h4>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 identPloS onee0276938https://www.ebi.ac.uk/biostudies/studies/S-EPMC9648786biostudies-literatureDevelopment and validation of a novel cosmetics safety assessment scale (CSAS): Factual understanding of cosmetic safety and fostering international awareness.PMC9648786Al-Hemyari SSBisgwa JJamshed SShahwan MJairoun AAfalseDevelopment and validation of a novel cosmetics safety assessment scale (CSAS): Factual understanding of cosmetic safety and fostering international awareness.<h4>Background</h4>Falsified cosmetics are increasingly common especially online through social media networks and mobile applications.<h4>Objectives</h4>This study developed and validated a novel tool to evaluate the safety of cosmetics and personal care products in the United Araba Emirates (UAE).<h4>Method</h4>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 ident2022-01-01T00:00:00Z20222025-04-05T12:31:59.038Z2025-04-05T12:31:59.038ZS-EPMC96487863635604710.1371/journal.pone.0276938