Polyaminopropyl Biguanide
Primary Function
Preservative
Health Score
5/10
Eco Score
4/10
Also Known As
PHMB, polyhexanide
About Polyaminopropyl Biguanide
A polymeric antimicrobial used as a preservative in cosmetics and contact lens solutions. Effective at very low concentrations.
Formulation Role & Skin Benefits
Polyaminopropyl Biguanide is selected for formulations requiring ensuring product safety, microbiological stability, and shelf life, delivering protecting consumers from bacterial contamination during daily use.
Best suited for essential in all water-based cosmetic formulations. Typical formulation context: any cosmetic product containing water or botanical extracts.
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