Propyl Paraben
see Parabens.
Propylene Glycol
Works as a humectant, moisture carrier, derived from petroleum. In industry it is used in antifreeze and hydraulic brake fluid.
Propyl Paraben: Common cosmetic food grade preservative that is anti-fungal and anti-microbial. It is less water-soluble than methylparaben. See Methyl Paraben.
Propyl Paraben
A food grade preservative- see Methyl Paraben. Usually used with methyl paraben to provide protection against more microbes.
Methylparaben (also Methyl/propyl paraben) - A very effective antimicrobial, anti-irritant, and preservative, it has been found to be extremely useful in various types of cosmetics and food products.
(METHYL PARABEN, BUTYL PARABEN, ETHYL PARABEN & PROPYL PARABEN)
Nipastat is a blend of methyl, ethyl, propyl and butyl paraben solubilized in phenoxyethanol. The ratio of parabens is in the proportion of their water solubilities.
 See also: Essential oil, Glycerin, Alcohol, Cream, Stearic acid
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