Advanced treatment for dandruff seborrhoeic dermatitis and dry flaky scalp nizoral is an antifungal shampoo that also acts as an adrenal androgen production inhibitor this makes nizoral a good shampoo for individuals with androgenetic alopecia the reduction in dht levels and cleansing of sebum from the scalp can assist in hair regrowth and is often used in conjunction with minoxidil or oral finasteride