|
|
|
|
Facts About Hair
Average number of hairs on the head: 100,000
- The average scalp has 100,000 hairs. Redheads have the least at 80,000; brown and black haired persons have about 100,000; and blondes have the most at 120,000.
- Maximum length of hair: 70 to 90 cm
- Annual growth: 12 cm
- Female hair grows more slowly than male hair
- Male hair is more dense than female hair
- Lifespan of hair: 2 to 7 years
- Diameter of hair: 0.1 mm
- Humidity stretches the hair
- Combing is less damaging than brushing
- Correct shampooing will not dry out the hair
- Frequent washing does not increase loss of hair
- Hair grows fastest in warm weather, during sleep and between the ages of 16 and 24
- Elderly people have slower hair growth and diminished hair density
- Cutting hair does not influence its growth
- Split ends can not be repaired and need to be cut
- Wet hair should not be rubbed since hair is very sensitive
- Hair is the fastest growing tissue in the body, second only to bone marrow.
- 35 meters of hair fibre is produced every day on the average adult scalp.
- 90% of scalp hairs are growing and 10% are resting.
- A human hair is stronger than copper wire of the same thickness.
|
| |
|
