Semi-permanent pigment is added to shampoo. When shampooing, the pigment is wrapped on the surface of the hair, and the hair turns black after washing several times. Not only black, but also various colors. You can choose this color shampoo according to the dyed color, and the dyed color will fade slowly. To put it bluntly, it is semi-permanent hair dyeing.
Shampoo is similar to semi-permanent color and also belongs to the category of hair dyeing. Hair roots grow their original colors. After using it all the time, there has been pigment wrapping the hair. Once you don't use it, white hair will slowly come out.
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Precautions:
1, rinse with warm water for more than one minute before shampooing, and then use shampoo after removing some dirt.
2. Scratch the scalp with nails when washing your hair: nails are places where the body hides a lot of bacteria, but many people like to keep long nails when washing their hair. I don't know. It's easy to scratch the scalp and cause infection. When washing your hair, you'd better massage with Chinese medicine. Washing your hair slowly can also keep you healthy.
3, the conditioner is not rinsed clean: nursing black hair is a concern of many people now. Some people mistakenly think that leaving some conditioner in their hair may protect their hair. In fact, the residual conditioner is easily mixed with dust, attached to the scalp, blocking hair follicles and causing inflammation. Therefore, the toiletries on your head must be cleaned.
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