| abstract |
The invention relates to a keratin fiber dyeing method and device. The basic steps of the method include adjusting, coloring, discoloring, or adjusting, discoloring, coloring, or coloring, coloring, coating liquid, and discoloring. The invention not only uses natural pigments as the main raw material, which can avoid harm to the environment and harm to the human body, but also cleverly utilizes the pH sensitivity of these pigments and uses simple electrolytic measures to produce a variety of color discoloration effects. The products are more personalized and decorative. |