If you think you know everything there is to know about
your hair, think again.

You may know how to style it or whether or not you want to finally get those bangs you’ve been thinking about at your next salon appointment, but there’s a lot of weird stuff going on up there that we rarely give a second thought.




Here are 20 Weird Things You Didn’t Know About Your Hair
that may just blow your mind, or at least make you rethink
the extent of your hair knowledge.



1. Hair is made up mostly of keratin, the same protein
animals’ horns, hooves, claws, feathers, and beaks are
made of.


2. When wet, a healthy strand of hair can stretch an
additional 30% of its original length.

3. Hair grows slightly faster in warm weather, because heat
stimulates circulation and encourages hair growth.

4. All hair is dead, with the exception of the hair that’s still
inside the epidermis of your scalp.

5. Hair contains information about everything that has ever
been in your bloodstream, including drugs, and is one of the
most commonly used types of forensic evidence.

6. The only thing about you that can’t be identified by your
hair is your gender—men’s hair and women’s hair are
identical in structure.

7. Black is the most common hair color. Red is the rarest
and only exists in about 1 percent of the world’s population,
with blonde hair found in 2 percent.

8. As soon as a hair is plucked from its follicle, a new one
begins to grow.

9. Hair is 50 percent carbon, 21 percent oxygen, 17 percent
nitrogen, 6 percent hydrogen, and 5 percent sulphur.

10. Hair can grow anywhere on the human body with the
exception of the palms of hands, soles of feet, eyelids, lips,
and mucous membranes.

11. Goosebumps from cold or fear are the result of hair
follicles contracting, causing the hair and surrounding skin
to bunch up.

12. The average number of hair strands varies by natural
color, with blondes having the most and redheads having
the fewest.

13. The scientific term for split ends is “ trichoptilosis .”

14. Aside from bone marrow , hair is the fastest growing
tissue in the body.

15. Balding only begins to become visible once you’ve lost
over 50 percent of the hairs from your scalp.

16. At any given time, 90 percent of the hairs in your scalp
are growing, while the other 10 percent are resting.

17. A single hair has a lifespan of about five years.

18. Hair acts as a layer of thermally insulating protection
for our heads, which lack the insulation that fat provides for
the rest of our bodies.

19. Eighty percent of Americans wash their hair twice a day.

20. Each strand of hair can support up to 100 grams in
weight. Multiply that by the average 100,000 to 150,000
strands on each head, and your entire head of hair could
support the weight equivalent to two elephants.








www.afaat.com/2015/09/20-weird-things-you-didnt-know-about-the-human-hair/

Hmmmm

23. Hair continues to grow for some time after death