Hair fostering hair growing medicine

摘要

PROBLEM TO BE SOLVED: To provide a raw material for a hair grower or a hair tonic exhibiting excellent hair growing or hair tonic effects and to provide the hair grower or hair tonic using the raw material.;SOLUTION: The raw material for the hair grower or hair tonic is composed of a pyrido[2,3-d]pyrimidine derivative represented by formula (I) (wherein, R₁ represents a hydrogen atom or a straight-chain 5-8C acyl group; and R₂ represents a hydrogen atom or a halogen).;COPYRIGHT: (C)2007,JPO&INPIT