| 摘要 |
An external skin treatment agent composition containing an active ingredient comprising of a prostacyclin, and/or its optical isomer, having the formula (I): <IMG> (I) (wherein, R1 is a hydrogen atom, a straight chain or branched alkyl group of C1 to C10, or one equivalent of cations, R2 is <IMG> or a substitutable C3 to C10 cycloalkyl group, where R21 is a substitutable C1 to C10 straight chain or branched alkyl group or substitutable C2 to C10 straight chain or branched alkenyl group or alkynyl group, and R3 and R4 are independently a hydroxyl group or formula <IMG> (wherein, R5 is a C1 to C5 straight chain or branched alkyl group)) and a carrier.
|
