Patent ID: 8119111

Claim:
A method of promoting hair growth on a scalp region of a subject, said method comprising topically administering to the scalp region a minoxidil formulation, containing: (a) 1-10 wt. % minoxidil, based on total weight of the formulation; (b) 10-50 wt. % ethanol, based on total weight of the formulation; (c) 26-40 wt. % propylene glycol, based on total weight of the formulation; (d) from 0 to 3 wt. %, based on total weight of the formulation, of one or more of optional ingredients selected from the group consisting of retinol, retinoid compounds, betasitosterol, panthenol, 1,3-Dimethylol-5,5-dimethylhydantoin (DMDM hydantoin), biotin, cystine, sabal seralata fruit extract, and methyl paraben; and (e) a carrier composition, containing 40-70 wt. % water, 20-40 wt. % glycerin, and 5-15 wt. % polysorbate-80, based on total weight of the carrier composition, wherein amounts of minoxidil, ethanol, propylene glycol, optional ingredients, and carrier composition total to 100 wt. % of the formulation; and wherein the carrier is present in said formulation in an amount of 22-90% by weight, based on total weight of the formulation.