For all you chemist majors out there like myself, do you think there is any effect of the Hair supplement taken when taken finasteride at the same time. I mean the supplement itself consist of multiple vitamins, biotin, horsetail, etc... So what do you think, there should be no chemical reactions between the finasteride and the supplement, that is what I'm thinking and i could use a second opinion just to make sure. Well i started finasteride today and yesterday i scored a 2 free month of propecia from my dermatologist, it was great, just because i know so much, he hooked me UP!