1. Organic colorant and inorganic colorant are divided into components: organic colorant is thin, there is no substance precipitation, it can dissolve in water, and its own stability is poor. And, the sex is extremely large, and the phenomenon of rejection easily occurs. Inorganic raw materials: Inorganic raw materials with pigment particles have strong stability, do not dissolve in water, are not easy to discolor, and have few side effects and no color changes. They are still powdery after being struck into the skin and are not easily swallowed by macrophages.
2. Dividing paste colorant and liquid colorant from the state: The effective content of the paste colorant is stronger than the liquid colorant, the color is fast, the color is stable, and the moisture of the paste colorant is used. Made of glycerin, non-volatile, easy to store, and suitable for any skin use. Liquid colorant: easy to volatilize, not easy to save, and the effect is far less strong than paste colorant, its color will be relatively poor, and the skin is difficult to absorb.
3. Hair color and natural black hair color: For natural black hair color, you can choose some dark brown or light black, black and gray color, so that the hair color and eyebrow color do not look out of place. Yellowish hair color: If you are born with a relatively yellow hair color and fair skin, you can choose a light brown color to embroider the eyebrows. Hair coloring in various colors: For girls who like to dye hair, hair color and eyebrow color are also very important. Light black coffee color is the most suitable because this colorant is very versatile.
