Ester vs Butylparaben - What's the difference?
ester | butylparaben |
(organic chemistry) A compound most often formed by the condensation of an alcohol and an acid, with elimination of water. It contains the functional group carbon-oxygen double bond joined via carbon to another oxygen atom.
A paraben, the butyl ester of p-hydroxybenzoic acid, used as an antifungal preservative in cosmetics.