![]() These temporary hair colors can also last through several rounds of shampoo, but the color molecules will eventually be dislodged with enough washing.īecause these products don’t contain ammonia, the hair shaft doesn’t open during processing, and the hair maintains its natural pigment. Alternatively, they consist of small pigment molecules that can go inside the hair shaft with the help of peroxide. ![]() They deposit acidic dyes on the outside of the hair shaft. Then there are temporary hair colors, also known as semi-permanent hair colors. Some of these natural colorants can even last through several rounds of shampoo! In short, these use natural agents that contain pigments (such as henna or black walnut shells) that work by coating the hair shaft with color. First, there are natural hair colorants, which people have been using for thousands of years. There are a handful of different types of hair colors that are used to dye hair. Read Next: What the Heck Causes Grey Hair? Types of Hair Color Roughly equal amounts of pheomelanin and eumelanin results in red hair. According to Biochemistry, Melanin, varying degrees of black and brown eumelanin results in black and brown hair.Ī small amount of brown eumelanin and the absence of black eumelanin results in blonde hair. The absence of both of these proteins produces white or gray hair. The former is responsible for brown to black hair shades, while the latter is responsible for golden blond, ginger, and red hues. Hair is made up of keratin, the same protein found in your skin and fingernails, but keratin has nothing to do with hair color (keratin itself is naturally light yellow in color).īefore hair turns gray, its color results from the ratio and quantities of two out of three other proteins called melanocytes: eumelanin and pheomelanin. The Chemistry of Gray Hair and Hair Color ![]() ![]()
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