The present invention provides a formulation for transdermal administration containing testosterone which achieves excellent skin permeability of testosterone and has excellent formulation properties. Specifically, the present invention provides a formulation for transdermal administration containing testosterone； polyacrylic acid or a salt thereof； a thickener； a cross-linker； a plasticizer containing propylene glycol； and a lactic acid ester, in a pasty preparation.本發明係提供一種睪固酮之皮膚穿透性優異，且製劑之物性優良的含有睪固酮之經皮投與製劑。具體而言，本發明係提供一種經皮投與製劑，其係於膏體中包含：睪固酮；聚丙烯酸或其鹽；增黏劑；交聯劑；包含丙二醇之塑化劑；及乳酸酯。
