They most often involve 2% ketoconazole shampoo, which is stronger than the 1% products you'll find in drug stores. A small 2019 study looked at 40 women with androgenetic alopecia (which refers ...
Studies suggest that ketoconazole impairs the synthesis of ergosterol, which is a vital component of fungal cell membranes. Wet hair. Lather, rinse, repeat. Use once every 3–4 days for up to 8 ...