BS EN ISO 4973:2023

This standard BS EN ISO 4973:2023 Cosmetics. Microbiology. Quality control of culture media and diluents used in cosmetics standards is classified in these ICS categories:

• 07.100.40 Cosmetics microbiology

This document specifies the minimum requirements for quality control of microbiological culture media and diluents in order to demonstrate their ability to detect microorganisms and to ensure reliability of the microbiological test methods described in the ISO cosmetics microbiology standards. This document describes mainly growth promotion and microbial control tests and is applicable to both commercially ready-to-use culture media and culture media prepared from dehydrated culture media or basic constituents in the user’s laboratory. Other methods can be substituted provided that their equivalence has been demonstrated.