Evaluation of Preservative Capacity for Some Selected Cosmetic Products Found in the Market

Z. E, El-Bazza; M.A, Shafik; A. K, Abdulall; S. S, Afifi .

doi:10.12816/0029018

Evaluation of Preservative Capacity for Some Selected Cosmetic Products Found in the Market

Document Type : Original Article

Authors

¹ Drug and Radiation Research Dept., National Center for Radiation Research and Technology, Atomic Energy Authority, Egypt

² Department of Microbiology and Immunology, Faculty of pharmacy (girls), AL Azhar University, Egypt.

10.12816/0029018

Abstract

Aim of the study: To determine the preservative capacity of different cosmetic preparations commonly found in the Egyptian markets.
Methods:Microbiological evaluation of 74 cosmetic sample and preservative capacity test for cosmetic samples showing no microbial contamination using rejecting microorganisms by cup plate technique.
Results: It was found that 29 samples were contaminated at levels >10³or >500 (for baby care products) or contaminated with rejecting microorganisms or both. The preservative capacity was variable between the different types and brands of the tested cosmetics against bacteria (P<0.05), while for Candida albicans all samples of the different cosmetic types were of nearly the same effect (p>0.05).
Conclusion: The detection of microbial counts greater than the microbial limits standards and isolation of rejecting microorganisms are clear evidences of non-adherence to good Manufacturing Practices. Variable preservative capacity in some cosmetics may indicate its ability to withstand microbial contamination which leads to spoilage of these cosmetics.

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