Dexpanthenol impurities are unwanted substances that may be present in Dexpanthenol, a synthetic form of vitamin B5 used in various pharmaceutical and cosmetic products. These impurities can include chemical by-products or contaminants from the manufacturing process. It is important to identify and quantify these impurities to ensure the safety and efficacy of the product. Analytical techniques such as chromatography and mass spectrometry are commonly used to detect and measure Dexpanthenol impurities.