摘要 |
Provided, among other things, is a delivery module for water-based salicylic acid composition comprising: an aerosol delivery system; within the aerosol delivery system, the salicylic acid composition comprising 0.5% or more salicylic acid by weight, lipophilic component(s), and a frothing agent, the salicylic acid composition having a viscosity low enough to support aerosol delivery, and the salicylic acid composition effective to form a foam upon propellant-driven aerosol delivery; and within the aerosol delivery system, a propellant, wherein the salicylic acid composition is non-irritating and has a non-watery feel. |