D-PANTHENOL is a clear, colorless to slightly yellow, viscous liquid with practically no odor. It is slightly hygroscopic and may crystallize upon prolonged storage. D-PANTHENOL is soluble in water and freely soluble in ethanol, slightly soluble in ether, and insoluble in fats and oils. D-PANTHENOL meets all requirements of the USP, FCC and Ph. Eur. when tested according to these compendia. D-PANTHENOL is stable to air and light and more stable than pantothenic acid salts in aqueous solutions, especially at pH 3-6. D-PANTHENOL is used in the pharmaceutical industry due to its moisturizing and anti-irritant properties. It helps support skin health and integrity, making it suitable for various topical formulations.