Displaying 6 results of Isotretinoin Impurities Isotretinoin is a medication used to treat severe acne. However, during the manufacturing process, impurities may be generated, which can affect the quality and safety of the medication. These impurities can include residual solvents, byproducts, and degradation products. Therefore, it is essential to monitor and control the impurities of isotretinoin to ensure its efficacy and safety.