Natural hair colors Human hair color

1 natural hair colors

1.1 image gallery
1.2 black hair
1.3 brown hair
1.4 blond hair
1.5 auburn hair
1.6 red hair
1.7 gray , white hair

natural hair colors

natural hair color can black, blond, brown, red, or white; natural hair colors including grey, white , lightest blond, shades of brown.

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black hair

black hair darkest hair color. has large amounts of eumelanin , less dense other hair colors.

brown hair

brown hair characterized higher levels of eumelanin , lower levels of pheomelanin. of 2 types of eumelanin (black , brown), brown-haired people have brown eumelanin; have medium-thick strands of hair. brown-haired girls or women known brunette.

chestnut hair hair color reddish shade of brown hair. in contrast auburn hair, reddish shade of chestnut darker. chestnut hair common among native peoples of northern, central, western, , eastern europe.

blond hair

blond (or blonde women) hair ranges white (platinum blond, tow-haired) dark golden blonde. strawberry blond, mixture of blond , red hair, rarer type containing pheomelanin.

blond hair can have proportion of pheomelanin , eumelanin, has small amounts of both. more pheomelanin creates more golden or strawberry blond color, , more eumelanin creates ash or sandy blond color. many children born blond hair develop darker hair age, majority of natural blonds developing hair color of dark blond hue time reach middle age. pregnancy hormones hasten process. natural light blond hair rare in adulthood, claims of world s population ranging 2% naturally blond 16 percent in us. blond hair commonly found in northern , western europeans , descendants can found spread around of europe. studies in 2012 showed naturally blond hair of melanesians caused recessive mutation in tyrosinase-related protein 1 (tyrp1). in solomon islands, 26% of population carry gene; however, absent outside of oceania.

auburn hair

auburn hair ranges along spectrum of light dark red-brown shades. chemicals cause auburn hair eumelanin (brown) , pheomelanin (red), higher proportion of red-causing pheomelanin found in average brown hair. commonly found in individuals of northern , western european descent.

red hair

red hair ranges light strawberry blond shades titian, copper , less commonly true red. caused variation in mc1r gene , recessive. red hair has highest amounts of pheomelanin, around 67%, , low levels of eumelanin. @ 1–2% of population, least common hair color in world. prominently found in british isles. scotland has highest proportion of redheads; 13 percent of population has red hair , approximately 40 percent carries recessive redhead gene.

gray , white hair

gray or white hair—sometimes colloquially called salt , pepper when peppered throughout dark hair—is not caused true gray or white pigment, due lack of pigmentation , melanin. clear hairs appear gray or white because of way light reflected hairs. gray hair color typically occurs naturally people age (see aging or achromotrichia below). people can happen @ young age, young 10.

in cases, gray hair may caused thyroid deficiencies, waardenburg syndrome or vitamin b12 deficiency. @ point in human life cycle, cells located in base of hair s follicles slow, , stop producing pigment. piebaldism rare autosomal dominant disorder of melanocyte development, may cause congenital white forelock.

caucasian people begin grow gray hairs in mid-thirties while asian people begin graying in late thirties, african people retain original hair color until mid-forties.

graying gradual process; according study l oreal, overall, of between 45 , 65 years old, 74 per cent had grey hair, covering average of 27 per cent of head ,and approximately 1 in 10 people had no gray hairs after age of 60.