| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a practicable scalp hair cosmetic which hardly cause discoloration or rot in a prolonged use, and excels safety. <P>SOLUTION: A silver compound and histidine are dissolved to water by the proportion of histidine 1-5 mole parts based on silver ion 1 mole part to obtain an aqueous solution, the aqueous solution is heated to 30°C-70°C to obtain a precipitation mixed liquid, the precipitation mixed liquid is separated to a solid phase and a liquid phase, next, a fine powder of a water-insoluble silver-histidine polynuclear complex is obtained by drying the solid phase, this is added to a liquid containing a shampoo ingredient to obtain the scalp hair cosmetic. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
