Microbiology With more than 20 years experiences in industrial microbiology and its team of microbiologist experts, SGS IDEA offers in its Brest laboratory all the microbiological studies required by the cosmetic industry, such as: challenge tests/quality control/identification/efficacy/stability studies.
MICROBIOLOGY STUDIES
Stability studies according to ISO 18811 guideline • Determination of the date of minimum durability • Estimation of PAO (Period After Opening) • Accelerated ageing • Protocol adapted to the galenic and the packaging of the product • Specific protocols on demand: daylight stability, temperature cycles… Efficacy studies • Bactericidal activities EN 1276 • Fungicidal activities EN 1650 • MIC/MBC determination • Anti-acne (propionibacterium acnes) • Anti-dandruff (malassezia furfur) • Microbiome friendly evaluation • Specific protocols on demand
Risk evaluation according to the ISO 29621 Preservative efficacy tests (Challenge tests)
Quality control according to ISO 17516 norm microbial limits for cosmetics • Mesophilic aerobic bacteria ISO 21149
• Yeast & Molds ISO 16212 • Specified microorganisms: • Pseudomonas aeruginosa ISO 22717 • Staphylococcus aureus ISO 22718 • Escherichia coli ISO 21150 • Candida albicans ISO 18416 • Identification of micro-organisms (MALDI-TOF and phenotypic methods) Quality control: other methods
• ISO 11930 and screening • European Pharmacopoeia • US Pharmacopoeia • Plant and specific strains • Special protocols on demand (wipes, solid soaps, powders…) • Water activity measurement ISO 29621
• Filtration quality control • European Pharmacopoeia • US Pharmacopoeia
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