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The Fischer–Saller Scale, named for eugenicist Eugen Fischer and German anthropologist Karl Saller , is used in physical anthropology and medicine to determine the shades of hair color. The scale uses the following designations: [1] [2] [3] [4]
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).
Poliosis circumscripta, commonly referred to as a "white forelock", is a condition characterized by localized patches of white hair due to a reduction or absence of melanin in hair follicles. Although traditionally associated with the scalp, poliosis can affect any hairy area on the body, including eyebrows, eyelashes, and beards.
Melanin is the protein that creates skin, eye and hair color. More melanin means darker eyes, hair or skin. The color of the melanin in the eyes is determined by three other genes, EYCL1, 2 and 3.
Prepubertal hypertrichosis is characterized by an excess of hair growth, seen during birth and progressing during childhood. [3] [6] In generalized hypertrichosis, excessive hair growth occurs all over the body, whereas in localized hypertrichosis, excessive hair growth only occurs in certain areas of the body. [2]
Anthropologist Peter Frost has proposed that sexual selection for women with unusual hair or eye color was responsible for the evolution of pigmentary traits in European populations, [128] however this theory has since been refuted by data-based evidence from genetics and spectrophotometry, [129] [130] and multiple studies have shown that women ...
Whereas Titian hair is a brownish shade of red hair, auburn hair is specifically defined as including the actual color red. Most definitions of Titian hair describe it as a brownish-orange color, [1] [2] but some describe it as being reddish. [3] This is in reference to red hair itself, not the color red.
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