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The most studied black hair gene is MC1R which causes the body to produce a protein called melanocortin. [3] This protein causes hair follicles to produce a type of melanin pigmentation called eumelanin. [3] Black hair has the highest concentration of this pigmentation with brown, blonde and red hair following behind. [3]
Black hair is the darkest and most common of all human hair colors globally, due to large populations with this trait. This hair type contains a much more dense quantity of eumelanin pigmentation in comparison to other hair colors, such as brown, blonde and red. [1]
The Fischer–Saller scale, named after Eugen Fischer and Karl Saller is used in physical anthropology and medicine to determine the shades of hair color. The scale uses the following designations: A (very light blond), B to E (light blond), F to L (), M to O (dark blond), P to T (light brown to brown), U to Y (dark brown to black) and Roman numerals I to IV and V to VI (red-blond).
The image above depicts melanin autofluorescence at 365-400 nm excitation from a strand of dark brown human hair. A girl with reddish brown hair. All natural hair colors are the result of two types of hair pigments. Both of these pigments are melanin types, produced inside the hair follicle and packed into granules found in the fibers ...
Britney Spears has taken her hair to extremes during her 20+ years in the spotlight! 2007 was by far the worst -- these extensions are horrific.
Jok Church's character, Beakman, also has blue hair, which is a throwback reference, according to the creator, to an older version of Superman, who also had a blue tint to his hair. [38] A similar case of bluish black hair can also be seen in Batman (Bruce Wayne) in his older comics. This “blue tint technique“ was very common to avoid any ...
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