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The more damage the hair sustains, the shorter the lifespan of the artificial hair. Most human hair extensions can be treated as real hair, albeit more gently. *Since human hair extensions are usually heavily processed to achieve uniform color and texture, a mild shampoo is recommended, along with a light conditioner to reduce tangling.
The majority of human hair wigs are made of Chinese or Indian hair, while European hair is considered the most expensive and rare, as most donors are from Russia or Northern Europe, where there is a smaller portion of hair donors to the market. Remy human hair is considered to be the best quality of human hair because the cuticles are kept ...
Pages in category "Human hair" The following 70 pages are in this category, out of 70 total. This list may not reflect recent changes. ...
The human genome encodes 54 different keratin proteins which are present in various amounts in hair. Similarly, humans encode more than 100 different KRTAPs which crosslink keratins in hair. The content of KRTAPs ranges from less than 3% in human hair to 30–40% in echidna quill. [28]
Hair removal lasers have been in use since 1997 and have been approved for "permanent hair reduction" in the United States by the Food and Drug Administration (FDA). [ 7 ] [ 10 ] Under the FDA's definition, "permanent" hair reduction is the long-term, stable reduction in the number of hairs regrowing after a treatment regime.
The total length of capillaries in the human body is not 100,000 km. That figure comes from a 1929 book by August Krogh, who used an unrealistically large model person and an inaccurately high density of capillaries. The true number is believed to be between 9,000 and 19,000 km. [302]
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