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HAIR DYEING METHOD USING DERIVATIVE OF HEMATOXYLIN, OF HEMATEIN, OF BRAZILIN OR OF BRAZILEIN, ONE METAL SALT, HYDROGEN PEROXIDE AND (BI)CARBONATE
HAIR DYEING METHOD USING DERIVATIVE OF HEMATOXYLIN, OF HEMATEIN, OF BRAZILIN OR OF BRAZILEIN, ONE METAL SALT, HYDROGEN PEROXIDE AND (BI)CARBONATE
PROBLEM TO BE SOLVED: To provide a method for dyeing a keratinous fiber, which obtains colorings that are not more offensive especially to the hair, simultaneously stand external factors (light, bad weather, shampoo handling), are persistent and homogeneous and strongly leave colors.;SOLUTION: The method for dying a keratinous fiber provides colorings that especially take advantage of human keratin fiber, have resistance to cleaning operation, perspiration, sebum and light and do not last a harmful change to the fiber and provide strong and clear coloring results. Colorings starting from the method provide colors homogeneous from the root to the tip of the fiber (low dyeing selectivity).;COPYRIGHT: (C)2010,JPO&INPIT
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