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Polaris Research Laboratories's NR-02 shampoo is one of the most interesting hair loss products on the market. It is marketed as a minoxidil shampoo. It has the two powerful ingredients minoxidil and finasteride in it. However the effectiveness is very questionable, reason being the contact of product with the scalp is just too short to be absorbed. Not sure why Polaris chose to use finasteride instead of a more popular ingredient ketoconazole