20 interesting facts about hair

Hair-we usually desire healthy, thick and beautiful hair. It happens that sometimes we complain a little about them - when we have straight, we dream of curly hair, at other times our curls are stubbornly straightened. Every day each of us devotes his attention to them, not even suspecting how many secrets they hide inside. Where does hair come from and why? What does their color and growth rate depend on? Learn 20 facts about human hair.

1. Black is the most common hair color in the world.
   
   
2. WHair can grow almost anywhere on the body, except on the palms of the hands, soles of the feet, on the lips and mucous membranes.
   
   
3. Hair is more flexible than you think! It can expand by up to 30% of its original length when wet.
   
   
4. We lose between 40 and 150 strands of hair a day.
   
   
5. When did dyed hair become popular? In 1950, only about 7% of women dyed their hair, but in 2015 it was about 75%.
   
   
6. Beauty can take time. The average time a woman spends washing, drying and styling her hair is 1 hour and 53 minutes per week. By the time she is 65, she will have spent 7 months of her life doing her hair
   
   
7. Cutting hair doesn't make it grow faster, but it will help avoid split ends.
   
   
8. Next to bone marrow, hair is the fastest growing tissue in the human body.
   
   
9. Hair is mainly formed by keratin, which can also be found on the outer layer of our skin and nails.
   
   
10. Hair grows an average of 0.3 - 0.5 mm per day
    
    
11. In the Victorian era, hair was used as jewelry! People had brooches, pendants made from the hair of lost loved ones as a way of paying tribute to them.
    
    
12. A strand of hair is stronger than copper wire of the same diameter.
    
    
13. Each hair is composed of 80% - 85% keratin, about 10% water, and the rest is pigments lipids and minerals. For this reason, I repeat very often how important it is to provide hair with keratin, which is its building block.
    
    
14. How much hair do we have on our scalps? More than you think. The average person has 100,000 - 150,000 strands of hair on their head (so don't worry too much about the 40 - 150 you lost today).
    
    
15. When investigating a crime scene, forensic services look very meticulously for hair. Their physical properties - elasticity and resistance to mechanical damage - make them remain at the scene. Examination of hair can help determine the cause of death, the owner's illnesses and, compared to any other tissue, allow identification of the person.
    
    
16. Men may be from Mars and women from Venus, but there is absolutely no difference between male and female hair in terms of growth cycle and structure.
    
    
17. Our hair is constantly growing and has a lifespan of about 5 years. 90% of our hair grows at any given time, while the remaining 10% takes a break.
    
    
18. All hair follicles in the human body are formed when we are just five months old in the womb.
    
    
19. When hair falls out, it usually grows again. It can do so up to 20 times in a lifetime.
    
    
20. The name trichology, a field that deals with diagnosing and treating hair and scalp problems, comes from the Greek thrikhos, meaning hair.