panthenol and its Impurities

it used for in topical cosmetics, product manufacturers often use panthenol as a moisturizer. But it's also included in many cosmetics as a softening, soothing, and anti-irritant agent. It is the alcohol analog of pantothenic acid. Reference standards of Panthenol API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.