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Step-by-Step Guide to USP 71 Sterility Testing Methods

Step-by-Step Guide to USP 71 Sterility Testing Methods

Reviewed and Approved by Richard A. Boehler, Jr., MSc, Cosmetic Microbiology Laboratory Manager, Certified Laboratories 1-Minute Summary USP 71 sterility testing helps ensure products labeled as “sterile” are free from harmful microorganisms. There are two...
Understanding Colloidal Oat Lab Testing

Understanding Colloidal Oat Lab Testing

Reviewed and approved by Darren Converse, Chemist, Project Lead, Certified Laboratories. Colloidal oatmeal is a popular ingredient in many skincare products, especially those designed to treat eczema and other skin conditions. Its effectiveness largely depends on its...