
- Ancient Egyptians were the first to remove unwanted body hair
- There are five million hair follicles on the human body
- In Italy during the Renaissance, women dyed their hair blonde using horse urine, while ancient Romans used pigeon dung
- Each strand of hair contains 14 elements, including traces of gold
- It takes 13 days for white or gray hair to show after shock, stress, or aging
- 75% of American women dye their hair
- Hair contains information on everything that has passed through your bloodstream, including minerals and drugs
- If left uncut, the average length of hair growth on the human body in one year is 10 feet
- World’s record for longest hair: Female, 18′ 5-1/2″ after 30 years of growth; Male 22′ 3″
- Number of hairs on the head by color — blondes: 146,000, black 110,000, brown 100,000, red 86,000
- Only 1.5% of the world’s population are redheads, and the U.S. has the largest number at 2%
- Hair is the second fastest tissue grown on the body after bone marrow
- Asian hair follicles are round, African is flat, and European is oval
- Gender cannot be identified by strands of hair
- 40-150 strands of hair are shed off the head daily unless you are bald
- A full head of hair could support the weight equivalent of two elephants
- A single hair has a lifespan of about 5 years
- At any given time, 90% of the hairs on your scalp are growing, while the other 10 percent are resting
- Balding only begins to become visible once you’ve lost over 50 percent of the hairs from your scalp
- Goosebumps from cold or fear are the result of hair follicles contracting, causing the hair and surrounding skin to bunch up
- As soon as a hair is plucked from its follicle, a new one begins to grow
- All hair is dead, with the exception of the hair that’s still inside the epidermis of your scalp
- Hair is made up mostly of keratin, the same protein animals’ horns, hooves, claws, feathers, and beaks are made of
- When wet, a healthy strand of hair can stretch an additional 30% of its original length
- Hair grows slightly faster in warm weather because heat stimulates circulation and encourages hair growth