| 摘要 |
. An air-oxidation haircolor composition is based : a) water; b) water so luble metal salt as a catalyst; c) etidronic acid (l-hydroxyethane-l,l-dipho sphonic acid) as a chelating agent and color deposition enhancer; d) oxidati on primary dye intermediates; e) an aromatic triol such asl,2,4-Benzenetriol ; f) auxiliary oxidation dye couplers; g) dye antioxidants and stabilizers; h) optionally, a water soluble surfactant; i) optionally, a water soluble an ionic polymer; j) a water soluble solvent system; and k) an alkalizer.</SDOA B>
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