Use of pyrimidine derivatives 3-oxide to slow the fall of the hairs and topical compositions employed.

摘要

The invention relates to a INTENDED FOR TREATMENT DELA HAIR LOSS composition containing, in a physiologically acceptable medium suitable for a topical application at least one compound corresponding to the formula (I), wherein: R1 is a methyl group or NHR 4 wherein R4 denotes a group C1-C4 alkyl or hydrogen; R 2 is hydrogen or NHR 4 wherein R4 has the same meaning as above; R2 can also denote methyl when R1 denotes methyl; When R1 APPOINTS NH2, R2 NOT BE hydrogen; M R3 may designate a hydrogen atom, an alkyl group C1-C4 CAN EVENTUALLY BRING: A OR5 group where R5 denotes an alkyl group C1-C4, a core benzene optionally substituted by one or more groups C1-C4 alkoxy, R3 may also represent a halogen atom or a nitro or amino, and salts physiologically acceptable acid addition salts.