The present invention provides a transdermal preparation excellent in transdermal absorbability using various active ingredients by virtue of a transdermal absorption enhancement aid or a transdermal absorption enhancer comprising an equimolar salt of a) a basic functional group-containing compound having a molecular weight of from 50 to 120 and a melting point of from 50 to 350°C selected from guanidine or a derivative thereof, and b) an acidic functional group-containing compound having a LogP of -4 to 7.3.
本发明通过透皮吸收
促进剂或透皮吸收
促进剂提供了一种透皮制剂,该制剂使用多种活性成分,具有极佳的透皮吸收性,该透皮吸收
促进剂或透皮吸收
促进剂包含 a) 含碱性官能团的化合物的等摩尔盐,该化合物的分子量为 50 至 120,熔点为 50 至 350°C,选自
胍或其衍
生物;以及 b) 含酸性官能团的化合物,该化合物的 LogP 为-4 至 7.3。