| 摘要 |
Composition for combatting hair loss and inducing and stimulating hair growth, containing a compound of formula (I) in which: R1 and R2 are hydrogen; an alkyl; -NHR6 where R6 is hydrogen; an alkyl; (a), (b) or (c), where R7 and R8 are an alkyl; R4 is hydrogen; or -OR9, -SR9, where R9 is an alkyl, an alkenyl, a phenylalkyl; R4 is -NR10R11, where R10 and R11 are an alkyl, an alkenyl, a phenylalkyl, or form a heterocycle; R3 and R5 are hydrogen, methyl, nitro, amino, chlorine or bromine; Y is O or OSO3. The invention also concerns cosmetically or pharmaceutically acceptable acid addition salts of the composition.
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