| 摘要 |
<p>Disclosed is a detergent composition for darkening hair comprising: 5 - 95 parts by weight of a hair detergent; 2 - 98 parts by weight of a darkening agent, the darkening agent being one or more of chitin, chitosan, silicone oil compounds, rare-earth and resins; 3 - 96 parts by weight of a colour-fixing agent. In the present invention, various auxiliary materials, such as a darkening agent and a colour-fixing agent, are added into a hair detergent so as to obtain a detergent composition for darkening hair, and the composition enables the colour of the original hair after washing to be darkened in multiples, and the original colour of the dyed hair after washing to be fixed, and the colour thereof darkened, thus achieving the effects that the more times the hair is washed, the deeper the colour becomes, and that frequent washing brings about a more vibrant colour for all kinds of hair. Also provided in the present invention is a method for preparing a detergent composition for darkening hair.</p> |
