Propyl gallate can be found in mayonnaise, dried meats, chicken soup and gum, as well as hair-grooming products and adhesives. Some scientists believe that propyl gallate is an “endocrine disruptor (PDF),” meaning it can interfere with humans' hormones.

Application

Propyl Gallate currently is used as an antioxidant in a reported 167 cosmetic products at maximum concentrations of 0.1%. Propyl Gallate is a generally recognized as safe (GRAS) antioxidant to protect fats, oils, and fat-containing food from rancidity that results from the formation of peroxides.