PRESERVATIVE SYSTEM AND COMPOSITION BASED ON GLYCINATE AND DIHYDROXYPROPYL QUATERNARY AMMONIUM SALT COMBINATION

摘要

A preservative system and a personal care composition containing that system is provided which includes the preservative combination of a C10C24 acyl glycinate salt and a dihydroxypropyl quaternary ammonium salt, and wherein the system exhibits a Log Reduction against Pseudomonas aeruginosa of at least 2 within 48 hours of application to an aqueous system. This preservative system is effective against gram negative bacteria, particularly Pseudomonas aeruginosa.