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BS EN ISO 11930:2012:2014 Edition

BS EN ISO 11930:2012:2014 Edition

$167.15

Cosmetics. Microbiology. Evaluation of the antimicrobial protection of a cosmetic product

Published By Publication Date Number of Pages
BSI 2014 34
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This International Standard comprises:

  • a preservation efficacy test;

  • a procedure for evaluating the over all antimicrobial protection of a cosmetic product which is not considered low risk, based on a risk assessment described in ISO 29621.

This International Standard provides a procedure for the interpretation of data generated by the preservation efficacy test or by the microbiological risk assessment, or both.

PDF Catalog

PDF Pages PDF Title
9 1 Scope
1.1 General
1.2 Preservation efficacy test
1.3 Procedure for evaluating the antimicrobial protection of the cosmetic product
10 2 Normative references
3 Terms and definitions
11 4 Principle
5 Preservation efficacy test
5.1 General
5.2 Materials, apparatus, reagents and culture media
5.2.1 Materials
12 5.2.2 Diluents, neutralizers and culture media
14 5.3 Microbial strains
15 5.4 Preparation and enumeration of inocula
5.4.1 General
5.4.2 Preparation of bacterial and Candida albicans suspensions
16 5.4.3 Preparation of A. brasiliensis (previously A. niger) spore suspension
17 5.5 Demonstration of the neutralizer efficacy
5.5.1 Principle
5.5.2 Procedure
5.5.3 Calculations
18 5.5.4 Interpretation of results and conclusion on neutralizer efficacy
5.6 Determination of the preservation efficacy of the formulation
5.6.1 Procedure
5.6.1.1 Unpacking and aliquoting of test product
5.6.1.2 Inoculation of test microorganisms
5.6.1.3 Incubation of the inoculated formulation
19 5.6.1.4 Sampling and enumeration
5.6.2 Counting of colonies
20 5.6.3 Calculations
5.6.3.1 General
5.6.3.2 Determination of the initial numbers of microorganisms, N and N0
5.6.3.3 Enumeration of the microorganisms at each sampling time, Nx
5.6.3.4 Reduction in microbial counts
21 5.7 Interpretation of test results and conclusions
5.7.1 Criteria
5.7.2 General case (the efficacy of the neutralizer is demonstrated for all strains)
5.7.3 Case of formulations for which the efficacy of the neutralizer is not demonstrated for some strains
22 5.8 Test report
23 6 Overall evaluation of the antimicrobial protection of the cosmetic product
6.1 General
6.2 Case 1 — The preservation efficacy test has been performed on the formulation
6.3 Case 2 — The preservation efficacy test has not been performed on the formulation

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BS EN ISO 11930:2012
$167.15