If you use a shampoo with more than 2 percent ketoconazole then it can lead to dryness and scalp irritation. Serious allergic reactions are not common but can happen. You may have a rash ...

Studies suggest that ketoconazole impairs the synthesis of ergosterol, which is a vital component of fungal cell membranes. Changes in hair texture, scalp pustules, dry or oily scalp or hair ...

Studies suggest that ketoconazole impairs the synthesis of ergosterol, which is a vital component of fungal cell membranes.