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Albinism is a genetic abnormality in which little or no pigment is found in human hair, eyes, and skin. The hair is often white or pale blond. However, it can be red, darker blond, light brown, or rarely, even dark brown. Vitiligo is a patchy loss of hair and skin color that may occur as the result of an auto-immune disease.
A dermatologist explains the scientific reason hair turns gray and why it happens to some people early. Genetics and stress could be part of it.
For instance, a 2020 study of 50 people with gray hair between ages 25 and 30 linked gray hair with oxidative stress. Personal stressors can cause oxidative stress in the body, which occurs when ...
The slightly more scientific answer is that as your hair follicles (and you) age, they produce less color, so when you go through the natural cycle of shedding and growing new hairs, they’re ...
A woman with dyed pink hair. Hair coloring, or hair dyeing, is the practice of changing the color of the hair on humans' heads.The main reasons for this are cosmetic: to cover gray or white hair, to alter hair to create a specific look, to change a color to suit preference or to restore the original hair color after it has been discolored by hairdressing processes or sun bleaching.
This overproduction causes depletion of the melanocyte stem cells which are required to produce melanin, the pigment responsible for hair color. [2] Premature greying of hair has been observed with greater frequency among certain families, suggesting a familial predisposition for the condition.
Over time, as hair ages, sheds, and grows back, melanocyte stem cells may eventually stop moving like they used to, failing to reach the part of the process where pigment is created and hair color ...
Excessive consumption of elemental silver, silver dust or silver compounds can cause the skin to be colored blue or bluish-grey. This condition is called argyria. A similar skin color can result from prolonged exposure to gold, typically as a little-used medical treatment. The gold-induced greyish skin color is called chrysiasis. Argyria and ...