Patent ID: 6946120

Claim:
A homogeneous aerosol formulation, said homogeneous aerosol formulation consisting essentially of: approximately 5% or greater by weight of minoxidil or a pharmaceutically acceptable salt thereof; an acid in an amount effective to solubilize the minoxidil or a pharmaceutically acceptable salt thereof, wherein the acid is a mineral acid selected from the group consisting of hydrochloric acid, sulphuric acid, nitric acid, and phosphoric acid, or an organic acid selected from the group consisting of citric acid, acetic acid, succinic acid, maleic acid, benzoic acid, lactic acid and mixtures thereof; a solvent of water and a lower alcohol wherein the ratio of water to alcohol is in a range of approximately 9:1 to 1:9 by volume; and a co-solvent of a polyhydric alcohol selected from 1,3-butylene glycol, polyethylene glycol, hexylene glycol, dipropylene glycol, glycerol or propylene glycol at less than approximately 10% by weight; wherein the final product of the homogeneous aerosol formulation is foam or a mousse.