ISO 21150:2015

Cosmetics — Microbiology — Detection of Escherichia coli ISO 21150:2015

Publication date:   Nov 25, 2015

General information

90.93 Standard confirmed   May 22, 2021

ISO

ISO/TC 217 Cosmetics

International Standard

07.100.40   Cosmetics microbiology

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Scope

ISO 21150:2015 gives general guidelines for the detection and identification of the specified microorganism Escherichia coli in cosmetic products. Microorganisms considered as specified in this International Standard might differ from country to country according to national practices or regulations.
In order to ensure product quality and safety for consumers, it is advisable to perform an appropriate microbiological risk analysis, so as to determine the types of cosmetic products to which this International Standard is applicable. Products considered to present a low microbiological (see ISO 29621) risk include those with low water activity, hydro-alcoholic products, extreme pH values, etc.
The method described in this International Standard is based on the detection of Escherichia coli in a non-selective liquid medium (enrichment broth), followed by isolation on a selective agar medium. Other methods may be appropriate, depending on the level of detection required.
NOTE For the detection of Escherichia coli, subcultures can be performed on non-selective culture media followed by suitable identification steps (e.g. using identification kits).
Because of the large variety of cosmetic products within this field of application, this method might not be suited to some products in every detail (e.g. certain water-immiscible products). Other International Standards (ISO 18415) may be appropriate. Other methods (e.g. automated) can be substituted for the test presented here provided that their equivalence has been demonstrated or the method has been otherwise shown to be suitable.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 21150:2006

NOW

PUBLISHED
ISO 21150:2015
90.93 Standard confirmed
May 22, 2021

CORRIGENDA / AMENDMENTS

PUBLISHED
ISO 21150:2015/Amd 1:2022