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What is Preservative Efficacy Testing (PET) for Cosmetics?

What is Preservative Efficacy Testing (PET) for Cosmetics?

Reviewed and Approved by Anjali Krishnan, PhD, Technical Manager-Microbiology Certified Laboratories; Lisa El-Shall, Sr. Director of Drug and Device Consulting, EAS Consulting Group; Jeb Hunter, Senior Regulatory Consultant, EAS Consulting Group 1-Minute Summary...
USP 71 Sterility Testing | Quick Guide to Methods

USP 71 Sterility Testing | Quick Guide to 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...