QA Testing Service
Our cosmetics preservative efficacy testing complies to ISO/IEC 17025 standard
Challenge testing of cosmetics preservatives helps you ensure microbial quality by demonstrating preservative efficacy during the product shelf-life according to United States Pharmacopeia (USP) Antimicrobial Effectiveness Testing.
Microorganisms typically used for challenge testing include Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa, Candida albicans, and Aspergillus brasiliensis.