Disclosed herein are preservative compositions comprising effective amounts of an alcohol, such as benzyl alcohol ("BA"), ethyl alcohol or phenyl ethanol, and cinnamon bark oil ("CB"), cinnamaldehyde ("CMA"), thyme oil, thymol, galangal oil, botanical extracts or combinations thereof, each of which are preferably obtained from natural sources. These preservatives have been observed to show broad spectrum anti microbial efficacy in both anionic and cationic formulations. In certain non-limiting embodiments, such compositions further comprise tetrahydrocurcuminoid ("THC"), phenyl ethanol and/or orange oil ("OR") or rosemary oil ("RM").

The Trustees of Columbia University in the City of New York

benzyl alcohol/tím

Broad spectrum natural preservative composition

An bunachar luibheanna míochaine is iomláine le tacaíocht ón eolaíocht