• Average human being has 1,00,000 hair follicles on her hair.
• Red heads have at least 80000, brown and black have about 100000, blondes have about 12000 |
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• 1 hair follicle produces 20 new hair in life time – it grows and becomes a meter long.
• Hair grows at the rate of 1.2cm per month.
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• 90% of scalp hair are growing and 10% are resting.
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Female hair grows more slowly than boys hair.
• Male hair is more dense than female hair. |
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• It is normal to loose 100 hair per day from the scalp.
• Many drugs can cause hair loss.
• Thyroid imbalance and iron deficiency are reversible causes for hair loss.
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• Over 50% men by age 50 have male pattern hair loss
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40% of women by the time they reach menopause will have female pattern hair loss
• Hair is the fastest developing organ in the body (second only to bone marrow) |
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• Number of hair follicles is fixed at birth and does not increase.
• 35 meters of hair fiber is produced everyday on the average adult scalp.
• Lifespan of hair is 3 to 7 years.
• Diameter of hair on an average is 0.1 mm.
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• Over 50% men by age 50 have male pattern hair loss
• Healthy hair carry a load of 100 gms., equivalent to one chocolate bar.
• Combing is less detrimental to hair than brushing.
• Humidity stretches the hair.
• Split ends cannot be repaired and need to be cut. |
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• Cutting hair does not influence its growth.
• Maximum length of hair is 70 cms. to 90 cms
• Annual hair growth is 12 cms.
• Elderly people have slower hair growth and diminished hair density.
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