| abstract |
The present invention provides: a substance which has a higher hair growing effect than ever before; and a hair growing agent into which the substance is blended. A hair growing agent of the present invention is characterized by containing, as an active ingredient, an optically pure compound represented by formula (I-SR) or a pharmaceutically acceptable salt thereof.nIn formula (I-SR), R represents -C≡CH, and each of R 1 , R 2 and R 3 independently represents a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom, an iodine atom or an alkyl group having 1-4 carbon atoms. |