| 摘要 |
<p>The preparation for hair oxidizing coloration having as a compound, for the development of the coloration, 1-hydroxy-alkoyl-2,5-diamino-benzen of general formula (FORMULA) wherein R is a hydroxy-alkoyl rest with 1 to 4 atoms of carbon, or a salt of such a compound with an inorganic or organic acid. Preferably the coloration preparation contains 1-hydroxymethyl-2,5-diamino-benzen with a concentration of about 0.1 to 3.0% by weight and this either is only one compound allowing the development of the colouration or in combination with the usual coupling substances. </p> |
