USP Antimicrobial Effectiveness Testing
28-Day Pharmacopeial Microbial Challenge Testing (USP <51> / ISO 11930)
Exhaustive Preservative Efficacy Testing (PET) according to United States Pharmacopeia USP <51> and ISO 11930. The formulation is intentionally inoculated with 5 standard reference microbial strains (S. aureus, E. coli, P. aeruginosa, C. albicans, A. brasiliensis) to quantify log reductions at 7, 14, and 28 days.
• Certified USP/EP Microbiological Challenge Certificate
• 5-Strain Inoculation Log-Kill Data Curves at 7, 14, and 28 Days
• Preservative System Safety Verification Dossier
• Regulatory Ready Verification Dossier
R 33,000 Project Dependent
Pharmacy retail listings, export compliance, clean/preservative-free claims validation.
Prevents microbial contamination, product recalls, and severe consumer eye/skin infections; mandatory for international distribution.