| abstract |
PROBLEM TO BE SOLVED: To provide a composition that makes it possible to eliminate or reduce alopecia, particularly a composition that can induce or stimulate hair growth and reduce hair loss. The following formula (I) as an agent for inducing and / or stimulating the growth of human keratin fibers and / or preventing their loss and / or increasing their density: [Wherein, -Alk 1 and Alk 2 are linear saturated or unsaturated C 2 -C 10 , or branched saturated or unsaturated C 3 -C 10 alkylene group;-Ph 1 and Ph 2 are , Meaning a phenyl group]. [Selection figure] None |