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- Title
Quantification of p-Phenylenediamine in Hair Dyes and Health Risk Implications in the UAE: Describing Discordances Between Regulations and Real-Life Practices.
- Authors
Jairoun, Ammar Abdulrahman; Al-Hemyari, Sabaa Saleh; Shahwan, Moyad; Jairoun, Obaida; Zyoud, Sa'ed H
- Abstract
To quantify the PPD content in hair dyes by measuring the PPD concentration after mixing the ingredients of commercial hair dyes. Methods: A total of 290 permanent hair dyes were tested. RP-HPLC-DAD analysis was performed to determine and quantify the PPD content. Results: The estimated mean of the PPD limit was 0.89 (95% CI [0.81– 0.96]). Of the 290 tested hair dyes, 7.2% (n = 21) exceeded the recommended PPD concentration after mixing. Significantly more hair dyes manufactured in India and China had a PPD content exceeding 2% after mixing compared to dyes from other regions (P = 0.001). Moreover, hair dyes manufactured in India and the UAE were more likely to have incomplete descriptions of the conditions of use and warnings on the label (P = 0.002). Conclusion: The effectiveness of the current regulations relevant to these products should be reevaluated. Moreover, through the use of good manufacturing procedures (GMPs), research, and the reporting of adverse reactions, hair dyes should be subjected to better control and monitoring in terms of their safety and quality.
- Subjects
INDIA; CHINA; HAIR dyeing &; bleaching; DYES &; dyeing; WARNING labels; CONTACT dermatitis
- Publication
Risk Management & Healthcare Policy, 2024, Vol 17, p663
- ISSN
1179-1594
- Publication type
Article
- DOI
10.2147/RMHP.S440482