The color of the hair originates from a large number of pigment plasmids in the hair stem cells, a large number of pigment plasmids in the fur cortex produce hair color, and there are also plasmids in the medullary. The color presentation of the hair is related to the proportion of true melanin (black or brown) and melanoid (yellow or red).
External factors such as light and perm dyeing will have an impact on the hair. Prolonged sun exposure can cause the hair to become rough, the color and gloss to decrease, and the toughness to decrease.
Especially after the perm and dyeing of the hair, the hair is seriously damaged, the fur is peeled off, the fur is scattered, and the daily washing and care process will cause more pigment plasmids and pigment loss of hair dye, so that the color is getting lighter and lighter.
The principle of fixing color shampoo is to reduce the loss of dye during the shampooing process by being gentle and less cleansing.
Complementary color conditioner fixes color from two dimensions: one is to add tonal toner (such as the colorant CI14700), which is more or less deposited in the hair. One is to add repairing ingredients (conditioners) to repair the small fur, thereby reducing the loss of color in the fur.
Usually you do not need to use fixed color or complementary color washing and care products, choose a mild cleaning, has a hair repair effect on the product can be. If your hair is a light hair color or a highly saturated hair color through bleaching, you can use fixed color or complementary color shampoo and care products.
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