23 More Facts About Hair Because We All Have It

• And we all need it, too.

Do you need more facts about hair? Here they are.

1. The werewolf legend is believed to have originated from an abnormality called Hirsutism, meaning extra hair on your face and body grows where it’s not supposed to. 
2. Hair is composed of the following elements: Carbon (50%), Oxygen (21%) Nitrogen (17%), Hydrogen (6%), Sulphur (5%).
3. Darker hair tends to have more carbon in it than lighter hair.
4. Each hair strand has its own muscle, nerve, and blood supply.
5. We get goosebumps when we are cold or scared because each hair strand has a muscle and when it contracts the hair will rise. 
6. The average lifespan of an eyelash is 150 days. Did you know this as one of the facts about hair?
7. The word shampoo comes from the Hindu-Urdu word, ‘champna’ meaning “to knead” or “to massage.”
8. A man will spend about 5 months of his entire life shaving.
9. If a man never shaved, his beard could grow to over 30 feet in his lifetime.
10. On average, women spend about 2 hours a week doing their hair.
11. On average, women spend about $800 on hair products every year. 
12. It takes only 13 days for grey hair to appear from stress or signs of aging.
13. The longest female hair was measured at 18 feet and 5.5 inches. Xie Jiuping spent over 30 years growing her hair. Wow, can you believe this as one of the facts about hair?
14. Hair remains in the anagen phase, or growing stage, anywhere from 2 to 6 years.
15. The determining factor of the amount of time hair is spent in the anagen phase is genetics.
16. Approximately 90% of hair strands are in the anagen phase, the other 10% are in catagen and telogen stages.
17. The anagen phase of body hair is much shorter than the hair on the head,  and determines the length of and how fast the hair grows. 
18. Chemotherapy causes the hair to fall out because it is intended to eliminate cells that replicate quickly, like hair follicle cells. 
19. Hair can grow back after chemotherapy however the first few months it will probably be a different color. 
20. The scientific word for grey hair is “canities.”
21. On average, women’s hair is half the diameter of men’s hair. Rude, they even get thicker hair genetically. 
22. Trichoptilosis is the scientific word for split ends. 
23. The harshness of ammonia causes the hair to rise to such an irreversible pH, that the cuticle will often have a hard time closing. This will fade and damage your hair.

What were your favorite facts about hair? Tell me in the comments!