Parabens is the general term used to describe a class of ingredients that are derived from para-aminobenzoic acid. The ingredients most often used in the formulation of cosmetic and personal care products includes Methylparaben, Ethylparaben, Propylparaben, Isopropylparaben, Butylparaben and Isobutylparaben. The potassium (Potassium Methylparaben, Potassium Ethylparaben, Potassium Propylparaben, Potassium Butylparaben) and sodium ([Only registered users see links. ], Sodium Ethylparaben, Sodium Propylparaben, Sodium Isopropylparaben, Sodium Butylparaben, Sodium Isobutylparaben) salts of these parabens can also be used in the formulation of cosmetics and personal care products. These paraben ingredients are widely used in cosmetics and personal care products, and can be found in almost all product categories.