| 配方類型： |
COSMETICS AND DRUGS |
| 配方說明： |
Hair Dye |
| 配方組成： |
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| 配制方法： |
Neth. Patent 6,614,227 Human hair is dyed with a solution of 2-methoxy-5-nitro-1-4-phenylenediamine in water. Dissolve 0.5 parts of the diamine in 2 parts of alcohol and add the solution to 91.5 of water containing 6 parts of wetting agent. Blond, bleached, or gray human hair is dyed a strongly reddishbrown color at room temperature and the dye has excellent resistance to moisture. A number of solutions are prepared containing 0.2 to 4% of mixtures of various amounts of Disperse Blue 23 and 2-nitro-p-phenylenediamine with the methoxynitro-phenylenediamine.
Human hair dyed with the solution prepared at room temperature gives colors that are more natural |
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