14. December 2016

Purpose: To validate a new and simple method for cleaning a manufacturing line for creams and ointments. Methods: The worst case product of the line chosen was a cream containing three practically insoluble ingredients: betamethasone, tolnaftate and cliquinol. The cleaning method utilized hot water and a commercial detergent, followed by rinsing. Validation methods included the visual inspection of the machine surface, swab sampling, microbial bioburden determination and testing the final rinse...