It is important to choose the right hair dye

The process of dyeing hair, in simple terms, is to remove some natural pigments in the hair through hair dye, and then put artificial pigments into the hair. The color of the mixture of artificial and natural pigments in the hair is what we see with the naked eye.

Here is the content list:

• Main ingredients of hair dye

• Choose the right color of hair dye

• Choose your hair dye color carefully

Main ingredients of hair dye

1. Alkalizing agent ammonia: the main function is to open the cuticle and lay the foundation for the entry of pigment.

2. Intermediates: The most important compounds in this kind of dye are p-phenylenediamine, p-aminophenol, p-phenylenediamine, etc. The dye intermediates can develop color directly after oxidation. There are nearly 30 kinds that can be used as intermediates of permanent hair dyes, but only about 10 kinds are commonly used in the market.

3. Coupling agent: The coupling agent is mainly some groups, derivatives of meta-substituted benzene, which are not easily oxidized by hydrogen peroxide. However, it can be coupled or condensed with oxides of dye intermediates to produce dyes of various colors. The difference between the coupling agent and the intermediate is that the intermediate is easy to oxidize and can directly develop color. The coupling agent is not easy to oxidize, and does not develop color directly, but develops color after coupling or condensation with oxides.

Choose the right color of hair dye

1. Natural or neutral colors

Natural or neutral shades are suitable for all skin types, whether your skin tone is cool or warm. This is the least error-prone way to go if you're stuck with your color choices.

2. Choose a color that matches your original hair color

The hair color of Chinese people is pure black, so dark brown and wine red hair dye will not be exaggerated, and are more suitable for domestic women. The specific color that suits you needs to be determined according to each person's skin tone. If you have cool-toned skin, choose cool-toned hair to brighten it so it doesn't create an abrupt contrast.

3. Use no more than 2 hair dyes

Do not use more than 2 colors in hair dye, it is best to match two colors with similar shades to create a sense of hierarchy. This is the most basic rule. If you dye your hair at home, don't use too difficult a color scheme.

Choose your hair dye color carefully

Hair dyeing is to dye the pigment into the hair, and the dyed color is presented through the surface of the hair. The hair coloring process is very complicated. If you are not satisfied with the color after dyeing, it is not easy to wash off. Changing the color requires bleaching the hair, which rinses out the dyed pigment in the hair before it can be recolored. Not only does it hurt your hair, but it is also very troublesome to operate.

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