发明授权

VERWENDUNG VON 1,8-DIHYDROXYNAPHTHALINEN ALS OXIDATIONSFARBSTOFFVORPRODUKTE IN OXIDATIONSFÄRBEMITTELN
摘要:
The object of the invention is the use of 1,8-dihydroxynaphthalene and certain halogen-substituted derivates as oxidation dye preliminary products in oxidation dyeing agents for dyeing keratinous fibers, in particular human hair. The 1,8-dihydroxynaphthalenes are particularly suitable as coupler components together with developer components.
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