ACIDIC HAIR DYESTUFF COMPOSITION

摘要

PROBLEM TO BE SOLVED: To provide an acidic dyestuff composition capable of improving the dyed color fastness of hair, decreasing the coloration of washing liquid on shampooing and of sweat, and as a result, capable of suppressing the soiling around a collar or on a hat. SOLUTION: This acidic dyestuff composition contains an acid dyestuff, acid and aromatic alcohol. The acid dyestuff is constituted by only one compound expressed by general formula (1) (wherein, R1is sodium or potassium atom; R2, R3, R4and R6are each H or a halogen element; and R5is a benzene derivative), and the acid is at least1 kind selected from hydrochloric acid, sulfuric acid, nitric acid, levulinic acid, lactic acid and glycolic acid. COPYRIGHT: (C)2004,JPO