Microbiological Quality Assessment of Skin and Body care Cosmetics by using Challenge test

Cosmetic products may be exposed to microbial contamination during storage or transport, and to avoid the risk of microbial growth, manufacturers add preservative compounds as a protection for the product from spoilage. The Microbial Challenge test is a procedure to evaluate the preservative efficac...

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Main Author: Fatimah M. Alshehrei
Format: Article
Language:English
Published: Elsevier 2024-04-01
Series:Saudi Journal of Biological Sciences
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1319562X24000433
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author Fatimah M. Alshehrei
author_facet Fatimah M. Alshehrei
author_sort Fatimah M. Alshehrei
collection DOAJ
description Cosmetic products may be exposed to microbial contamination during storage or transport, and to avoid the risk of microbial growth, manufacturers add preservative compounds as a protection for the product from spoilage. The Microbial Challenge test is a procedure to evaluate the preservative efficacy by challenging the product with testing microorganisms to determine the quality of preservation. In this study, thirty-two cosmetics products used for body and skin care were collected from markets and pharmacies in Mecca region, these products are subjected to microbiological analysis, results show that most samples are contaminated except six samples. Non contaminated samples were subjected to European Pharmacopeia 7.0 standards. Results show that two samples, foaming gel and body and face cream are failed to demonstrate the required microbiocidal effect against the S.aureus test species, results recorded 1.21 x 105 and 6.80 x 105 (CFU/ml) respectively at the second day of incubation, other products: shower gel, hand wash, body lotion and shampoo demonstrate that required microbiocidal effect against the test species during day 2, 7, 14 until day 28th. The microbial count number is less than 10 during all incubation periods. To prevent contamination in cosmetics, manufacturers are required to add a good preservative system to the products and examine them before sale. Due to the high percentage of microbial contamination in cosmetics in Mecca region and for consumers safety, this study is prepared.
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spelling doaj.art-0f8a9c175ced4859b0097ff5952cd4a42024-03-14T06:14:08ZengElsevierSaudi Journal of Biological Sciences1319-562X2024-04-01314103965Microbiological Quality Assessment of Skin and Body care Cosmetics by using Challenge testFatimah M. Alshehrei0Umm Al-Qura University, Jumum College University, Department of Biology, P.O Box 7388, Makkah 21955, Saudi ArabiaCosmetic products may be exposed to microbial contamination during storage or transport, and to avoid the risk of microbial growth, manufacturers add preservative compounds as a protection for the product from spoilage. The Microbial Challenge test is a procedure to evaluate the preservative efficacy by challenging the product with testing microorganisms to determine the quality of preservation. In this study, thirty-two cosmetics products used for body and skin care were collected from markets and pharmacies in Mecca region, these products are subjected to microbiological analysis, results show that most samples are contaminated except six samples. Non contaminated samples were subjected to European Pharmacopeia 7.0 standards. Results show that two samples, foaming gel and body and face cream are failed to demonstrate the required microbiocidal effect against the S.aureus test species, results recorded 1.21 x 105 and 6.80 x 105 (CFU/ml) respectively at the second day of incubation, other products: shower gel, hand wash, body lotion and shampoo demonstrate that required microbiocidal effect against the test species during day 2, 7, 14 until day 28th. The microbial count number is less than 10 during all incubation periods. To prevent contamination in cosmetics, manufacturers are required to add a good preservative system to the products and examine them before sale. Due to the high percentage of microbial contamination in cosmetics in Mecca region and for consumers safety, this study is prepared.http://www.sciencedirect.com/science/article/pii/S1319562X24000433CosmeticsEuropean PharmacopeiaPreservative efficacyChallenge test
spellingShingle Fatimah M. Alshehrei
Microbiological Quality Assessment of Skin and Body care Cosmetics by using Challenge test
Saudi Journal of Biological Sciences
Cosmetics
European Pharmacopeia
Preservative efficacy
Challenge test
title Microbiological Quality Assessment of Skin and Body care Cosmetics by using Challenge test
title_full Microbiological Quality Assessment of Skin and Body care Cosmetics by using Challenge test
title_fullStr Microbiological Quality Assessment of Skin and Body care Cosmetics by using Challenge test
title_full_unstemmed Microbiological Quality Assessment of Skin and Body care Cosmetics by using Challenge test
title_short Microbiological Quality Assessment of Skin and Body care Cosmetics by using Challenge test
title_sort microbiological quality assessment of skin and body care cosmetics by using challenge test
topic Cosmetics
European Pharmacopeia
Preservative efficacy
Challenge test
url http://www.sciencedirect.com/science/article/pii/S1319562X24000433
work_keys_str_mv AT fatimahmalshehrei microbiologicalqualityassessmentofskinandbodycarecosmeticsbyusingchallengetest