Exists as the monohydrate: White odorless solid; [Merck Index]
See origin →
Functions
Preservative
Keeps your product from growing bacteria, mold, or yeast. Without these, that jar of cream becomes a petri dish in about a week.
Anti-Inflammatory
Moisturizing
Boosts Collagen
Prevents microbial growth
Traditional Use
Developed in the 1950s as a formaldehyde-releasing preservative to replace natural preservation methods. It was one of the first synthetic antimicrobial compounds widely adopted by the cosmetics industry.