Microbiology Testing for Cosmetics

Intertek Microbiology services help clients reduce microbiological risks associated with cosmetic and personal care products.

Microbiological testing is a key aspect of cosmetic product safety. In order to meet the requirements of the Cosmetics Regulation (EC) 1223/2009, the microbiological quality of raw materials, bulk products and formulated final cosmetic products must be determined. Intertek's suite of microbiological tests include quality control testing and research and development support, helping our clients to ensure product quality and safety.

Preservative Challenge Testing

Challenge testing involves the evaluation of antimicrobial efficacy of the preservative system in accordance with the relevant international standards:

• International Standard ISO 11930
• European Pharmacopoeia (EP) Chapters 5.1.3
• French Standard NF T 75-611
• United States Pharmacopeia (USP) Chapter <52>

Total Viable Count

Control of microbiological cleanliness for the release of batches in accordance with the standards ISO 16212 and ISO 21149 or with the European Pharmacopoeia criteria.

• Quantitative Test for Mesophile Bacteria (NF ISO 21149)
• Quantitative Count for Yeasts and Fungi (NF ISO 16212)

Research and Identification of Microorganisms

• ISO 18415: 2007: Specified and non-specified microorganisms
• ISO 18416: 2007: Candida albicans
• ISO 22718: 2006: Staphylococcus aureus
• ISO 21150: 2006: Escherichia coli
• ISO 22717: 2006: Pseudomonas aeruginosa
• Specific organism microbiological analysis