USE OF A NONIMMUNOSUPPRESSIVE CYCLOSPORIN A DERIVATIVE FOR HAIR GROWTH

摘要

The present invention relates to agents for treating alopecia and stimulatin g hair growth comprising an active ingredient of nonimmunosuppresive [ .gamma. - hydroxy-N-methyl-L-leucine4] cyclosporin A having superior hair growth- promoting effect, wherein the hydroxyl group is added to the .gamma. carbon position of No.4 N-methyl-L-leucine of cyclosporin A by the microorganism.