Hair is a biopolymer mostly made from keratin, which grows from the skin. Hair is exclusively found in mammals.
Questions tagged [hair]
83 questions
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Do pulled hair from the root grow back?
There is not much to explain, I'm wondering if pulled hair, for example of the head, normally does grow back again or not. In reddit, It says this may depend on the follicle integrity, if the follicle is not hurt then it will grow back and…
Santropedro
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Is hair made of protein or dead cells or both?
Some sources say hair is made of dead cells:
it's mentioned in many titles of Google searches, so I'm linking the Google search search
Other sources say hair is a protein filament:
Protein filament that grows from follicles found in the dermis,…
Dheeraj Bhaskar
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Approximately how thick is a single strand of cat (domestic housecat) hair?
I did a little research to lead me to finding the general range of width for human hair, which is anywhere from around 30µm to 180µm... approximately.
I'm trying to compare this to the width of cat hair, since I have been told (and it does seem a…
vertigoelectric
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Why does our hair turn white before we get old?
White hairs are considered a sign of old age, but they often occur in young boys. I want to ask why my hair is turning white? And why black hair turns white?
Amit Rana
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Is there a medical condition in which you can't cut your hair?
Just curious, does there exist a medical condition in which a patient is advised not to or simply cannot cut their (head) hair?
laggingreflex
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Do bald people not grow hair, or does their hair simply fall out immediately?
This image is not directly related but it made me wonder if there was a relationship between the nature of the hair follicle and baldness, namely that the follicle cannot 'hold' the continuously growing hair, and it constantly falls out in. I…
user7778287
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Pigment returning to my grey
In the past I dyed my hair to cover the grey, but it became a more frequent event so I decided to just go grey. My hair has been almost entirely white for nearly 20 years. The pigment has been returning to my hair gradually for the last 18 months.…
Christine Rzonca
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What determines the length to which hair grows?
Correct me if i am wrong, if we cut 2mm from eyebrow hair, it will grow 2mm and then stop growing, or if we cut 5mm, then it will grow only 5mm. My question is, does hair know how long to grow ?
TeoFriendly
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