Displaying 2 results of Tolnaftate Impurities Tolnaftate is an antifungal medication used to treat various skin infections. However, during the manufacturing process, it may contain impurities that could potentially harm the patient. These impurities could be related to the starting materials or the reaction intermediates. Therefore, it is crucial to control the quality of the raw materials and the manufacturing process to ensure the safety and efficacy of the final product.