15 interesting facts about hair
Mar 28, 2018
Everyone knows that hair carries an energy impulse, but few know about a number of entertaining facts associated with them. Let's consider some of them.
- About 70% of men suffer from hair loss. But for women this indicator is much lower: only 25%.The reason is that the female hair sits a couple of mm deeper than the male. The causes of loss can serve as hormonal failures, environmental factors: polluted air, poor ecology.
- The hair covering occupies 95% of all human skin. They are absent only on the palms and soles of the feet. On all other sites they have a place to be, albeit unnoticeable.
- The rod consists of 97% of proteins and only 3% of water.
- On one square centimeter of the skin grows about 250-300 hair.
- The hair bulb consists of three phases:
- anagen. During this phase, hair growth takes 2 to 5 years;
- telogen. In this period the growth is 3-4 months;
- catagen. It is considered a transitional phase, which takes a couple of weeks. However, a large part, about 80-90%, is in the stage of constant growth. In the frozen state are 10-15% of hair and only 1-2% - are in their final stage.
- Hair has a very elastic structure. It can be stretched 5 times more, after which it will take its original state.
- Hair grows by 0.35 cm per day. For a year - by 12 cm. And throughout their life they gain length of 7.6 m.
- Our vegetation drops out every day. The adult loses on the average 100-200, and the child - 50-80.In case of exceeding the amount of fallen hair, you should consult a doctor.
- The greatest number of covers have blondes: about 150 thousand. In second place are brunettes with 100 thousand. The smallest number are red: only 80 thousand.
- Birth of hair begins in the womb. The first hairs appear on the 4-5 month of intrauterine development.
- Hair strength is similar to aluminum. One such can withstand about 200 grams of weight.
- One hair bulb produces 20-30 pieces in a lifetime.
- Hair grows quickly enough in the summer, in a dream and in the age of 14 to 24 years.
- The female braid contains about 200 thousand hair, which can withstand weight of 20 tons.
- Balding people no longer lose vegetation than do not bald. Just hair from those suffering from baldness, is not replaced with new ones.