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Home › Dyeing compositions comprising at least one aminopyrazolopyridine oxidation base, at least one coupler and at least one C4-C30 polyol and methods and use thereof

Dyeing compositions comprising at least one aminopyrazolopyridine oxidation base, at least one coupler and at least one C4-C30 polyol and methods and use thereof

US Patent 7578856 · Granted Aug 25, 2009

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