Displaying 2 results of Benzoyl Peroxide Impurities Benzoyl peroxide is a common ingredient found in many acne treatments. However, during the manufacturing process, impurities may be introduced into the chemical compound. These impurities can potentially affect the effectiveness and safety of the product. It is important for manufacturers to carefully monitor and control the impurities in benzoyl peroxide to ensure the highest quality and purity of the final product.