| abstract |
The objective of the present invention is to provide a method for simply raising the transdermal absorption properties of a water-soluble hydrochloride without forming a prodrug by organic synthesis.　The present invention relates to: a composition containing a water-soluble hydrochloride and a liposoluble compound having an aldehyde group; a transdermal absorption composition containing said composition, a transdermal absorption control agent, and a liposoluble medium; and a method for controlling the release of the water-soluble hydrochloride from the composition into the skin. |