Facts about Human Hair (2)
Previous pageHighest: The highest hairstyle is 2.66 meters or 8 ft 8.72 in. It was created by KLIPP Frisör in Austria, on the occasion of the company’s 20th anniversary. Three stylists needed two days to create the updo, and they used 22 meters of artificial hair, wooden sticks, nails, PU foam, wire, hot glue, bamboo sticks, hairpins, spray, and dried flowers.
Information: Hair absorbs elements from the bloodstream and contains information about health, the use of chemical substances, drugs, medications, vitamins, … By analyzing sections of a hair strand and taking the average rate of hair growth into account, scientists can estimate the period of time during which a certain product was used.
Number: Blondes have about 150,000 hairs on their heads. Those with black hair average 110,000 hairs and those with brown hair 100,000 hairs. Redheads have about 90,000 hairs. There is an average of 250 hairs per square centimeter of scalp.
Pigeon dung: Dyeing hair was popular among women in ancient Rome. To dye hair black some applied leeches that had been left to rot in red wine for 40 days. Pigeon droppings mixed with ashes were used to lighten hair. After applying the pigeon droppings, they applied urine. The ammonia in urine acts as a bleach.
Race: There are three main hair types based on race: African hair, Asian hair, and Caucasian hair. Each of the types has its own identity with a different rate of growth, density, and cross section.
Redheads: With about 650.000 redheads, Scotland has the highest percentage of redheads. 13% of Scotland’s population is a redhead. More than 20 million people in the United Kingdom and Ireland have genes that produce red hair. In the United States, an estimated 2-6% of the population has red hair, giving the United States the largest population of redheads in the world.
Replacement: Each hair follicle grows a new hair about 20 times in a lifetime. The three stages of the hair growth cycle are the anagen, catagen, and telogen phases. Once the cycle is complete, it restarts and a new hair starts to grow.
Sex: Sex and the anticipation of sex is good for hair growth. Sexual activity and even just the anticipation of it can make your hair grow faster. It's a hormonal thing...
Shedding: On average, a person sheds between 50 and 150 hairs per day. A hair strand has a life cycle of between 3 and 7 months.
Spend: According to a survey conducted by Tresemmé in the United Kingdom, the average woman spends $50.000 on her hair over her lifetime. Per year she spends $160 on shampoos and conditioners, $120 on styling products, $520 on haircuts, and $330 on coloring.
Strength: A single strand of hair can hold 100 grams in weight. A full head of hair can hold 12 tons, the weight of 2 elephants. A strand of hair is stronger than a copper wire of the same diameter.
Stretching: Healthy wet hair will stretch up to 50% of its original length without breaking. Dry hair will stretch about 20%.
Swelling: Hair expands significantly when wet. In water, hair can expand up to 15% in diameter and 2% in length. Wet hair is weaker and more susceptible to damage and breakage.
Time: According to a poll conducted by the Fabriah.com haircare company, an average woman spends the equivalent of 10 days per year styling her hair. 10 minutes per day on washing and conditioning, 15 minutes on blow-drying, and an average of 15 minutes on actual styling.
Weight: The weight of 1 cubic centimeter of hair is 1.3 grams. The weight of an entire head of hair is 5 to 200 grams, depending on the hair length.
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