Parf Kosm News Today

The relevance of microbiological tests for w/o formulas has been questioned, mandating a more holistic approach. This second article in a series examines the failure rate of PETs for w/o products but looks at why this does not mean insufficient stability.

Microbiological test methods for w/o formulas have raised questions in terms of suitability. They also require a more critical view of the results than other product types. This first article in a two-part series reviews the limitations of such methods.