means to use the slow down of hair loss and to trigger and stimulate their growth, the 2 - alkyl - 4 - amino (or 2.4 - dialkyl) pyrimidine 3 oxidderivate contain, as well as new 2 - alkyl - 4 - aminopyrimidin 3 oxidderivate.

摘要

Pharmaceutical or cosmetic composition for use in topical application for retarding loss of hair and for inducing or stimulating its growth, containing at least one compound of formula: IMAGE where: R1 denotes H, C1-C8 alkyl; R2 denotes C1-C8 alkyl, NHR3 where R3 denotes H, -COOR4, where R4 denotes C1-C4 alkyl; X denotes IMAGE, -OR9 or -SR10; R5 and R6 denote H, C1-C12 alkyl, optionally substituted, consists of C2-C12 alkenyl, C3-C10 cycloalkyl, aralkyl or aryl or, with N, form a saturated or unsaturated heterocycle; R9 denotes C1-C12 alkyl, optionally substituted, C2-C12 alkenyl, C3-C10 cycloalkyl, C7-C12 aralkyl, optionally substituted phenyl; R10 is identical to R9; Y denotes O or OSO3(-); as well as its addition salts with cosmetically or pharmaceutically acceptable acids.