A topical drug delivery system for use as a self-medication delivery system, formed as a multi-functional hygroscopic solution comprising a non-hygroscopic first chemical penetration enhancer, a hygroscopic second chemical penetration enhancer and an anti-oxidizing dispersant mixable in solution with the first and second chemical penetration enhancers and an active pharmaceutical ingredient, said dispersant being in a weight percent of the solution of between 3% and 10% and being suitable for providing multiple secondary therapeutic effects by interaction with the active pharmaceutical ingredient to ensure substantial homogenous distribution of the selected active pharmaceutical ingredient in the solution during delivery of the solution to all areas of the mammalian tissue location and by further reducing the water activity level of the solution.