Komposition för att sätta igång och stimulera hårtillväxten och minska håravfall baserad på pyrimidinderivat, förfarande för kosmetisk behandling därmed och användning därav för framställning av läkemedel

摘要

A composition suitable for inducing and stimulating hair growth or for decreasing loss of hair which comprises, in a thickened, essentially aqueous medium, at least one compound of formula (I): in which: R1 denotes a group of formula in which R3 and R4 are, independently, hydrogen, or an alkyl of 1 to 6 carbon atoms, alkenyl, alkylaryl or cycloalkyl group, or R3 and R4, together with the nitrogen atom to which they are attached, form a heterocycle, it being possible for the heterocycle to be substituted, on the carbon atoms, with 1 to 3 alkyl of 1 to 6 carbon atoms, hydroxy or alkoxy groups; and R2 denotes hydrogen, or an alkyl of 1 to 6 carbon atoms, alkenyl, alkylalkoxy, cycloalkyl, aryl, alkylaryl, arylalkyl, alkylarylalkyl, alkoxyarylalkyl or haloarylalkyl group, or a cosmetically or pharmaceutically acceptable acid addition salt thereof, in a concentration at least equal to its solubility limit in the medium.