Propylparaben is a commonly used preservative in various consumer products and cosmetics, but it isn't the only name by which this chemical can be referred to. If you're looking for alternative ways to describe propylparaben, you might use the synonyms listed below. Propyl 4-hydroxybenzoate, E216, propyl ester of hydroxybenzoic acid, and propyl p-hydroxybenzoate are all names that propylparaben can go by. Other similar chemicals with similar capabilities in preserving products include butylparaben, methylparaben, and ethylparaben. While these chemicals are all effective as preservatives, they have varying degrees of safety in use, so it's important to be informed about the specific ingredient list in products you use.