study of pharmacy prices in four states for 41 over-the-counter minoxidil products which were "gender-specified". the authors found that the mean price for minoxidil solutions was the same for women and men even though the women's formulations were 2% and the men's were 5%, while the mean price for minoxidil foams, which were all 5%, was 40% higher for women. the authors noted this was the first time gender-based pricing had been shown for a medication. brand names as of june 2017, minoxidil was marketed under many trade names worldwide: alomax, alopek, alopexy, alorexyl, alostil, aloxid, aloxidil, anagen, apo-gain, axelan, belohair, boots hair loss treatment, botafex, capillus, carexidil, coverit, da fei xin, dilaine, dinaxcinco, dinaxil, ebersedin, eminox, folcare, guayaten, hair grow, hair-treat, hairgain, hairgaine, hairgrow, hairway, headway, inoxi, ivix, keranique, lacovin, locemix, loniten, lonnoten, lonolox, lonoten, loxon, m e medic, maev-medic, mandi, manoxidil, mantai, men's rogaine, minodil, minodril, minostyl, minovital, minox, minoxi, minoxidil, minoxidilum, minoximen, minoxiten, minscalp, mintop, modil, morr, moxidil, neo-pruristam, neocapil, neoxidil, nherea, noxidil, oxofenil, pilfud, pilogro, pilomin, piloxidil,re-stim, re-stim+, recrea, regain, regaine, regaxidil, regro, regroe, regrou, regrowth, relive, renobell locion, reten, rexidil, rogaine, rogan, si bi shen, splendora, superminox, trefostil, tricolocion, tricoplus, tricovivax, tricoxane, trugain, tugain, unipexil, vaxdil, vius, women's regaine, xenogrow, xtreme boost, xtreme boost+, xue rui, ylox, and zeldilon. it was also marketed as combination drug with amifampridine under the brand names gainehair and hair 4 u, and as a combination with tretinoin and clobetasol under the brand name sistema gb. veterinary uses minoxidil is suspected to be highly toxic to cats, even in small doses, as there are reported cases of cats dying shortly after coming in contact with minimal amounts of the substance.