Ketoconazole is an imidazole anti-fungal agent used to treat topical fungal effects. Also, used for topical treatment of dandruff and common scalp skin condition (seborrheic dermatitis) or dermatitis of scalp, which can result in hair loss. For medical conditions it is prescribed in most of the countries and ketoconazole is available as over the counter in the form of shampoos.
Another effect for which it is not prescribed and you can say it is a side effect(not in a bad way but really side effect) is block the production of testosterone or androgens and hence a role in androgenertic alopecia or male pattern baldness.
Clinical trial in mouse have shown that Ketoconazole have macroscopically shown stimulate hair growth. This support the logic that shampoos containing ketoconazole can have a therapeutic effect on hair growth by stimulating hair growth and cutting down dandruff. More profound effect can be seen in people with androgenertic alopecia or male pattern baldness.
Best results are achieved when the topical treatment is initiated right in the beginning of hair fall and when majority of the hair follicles are not damaged. This is very important especially with the case of male pattern baldness.
Now the question which comes to mind is why not use a pill or systemic treatment with Ketoconazole. The simple answer is sever systemic side effects with anti-fungal on oral and or IV route.
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