| abstract |
Disclosed is a transdermal absorption preparation that achieves stable absorption of drugs such as imidafenacin and silodosin through the skin. In a percutaneous absorption preparation containing a drug such as imidafenacin or silodosin, a percutaneous absorption enhancer is contained, and a fatty acid ester and / or a fatty acid amide that further improves the function of the percutaneous absorption enhancer is further contained. |