Formaldehyde-Donor Preservatives Best For Water/Silicone Emulsions – Study
This article was originally published in The Rose Sheet
Executive Summary
Preservatives classified as formaldehyde donors were the most effective in protecting water-in-silicone emulsions in a study involving a combination of challenge testing and in-use evaluations, Estee Lauder Microbiology-R&D Director Steve Schnittger said at the Society of Cosmetic Chemists annual meeting in New York City Dec. 6-7