Testing Cosmetics for Bacteria, Yeast, and Mold Any cosmetic formulation containing water must to be tested for bacteria, yeast, and mold. This is called Preservative Efficacy Testing (PET). Pre-market testing ...
Challenge Testing for Cosmetics – Premarket Testing The FDA regulates cosmetics in the United States. The FDA requires cosmetics to be safe when the consumer uses them according to the directions on ...
