Female hair grows more slowly than male hair
Humidity stretches the hair
Combing is less detrimental than brushing
Hair grows faster in warm weather
A person’s genes determine the hair/skin/eye color since before his or her birth.
Hair covers the whole body, with the exception of soles of feet, palms of hands, mucous membranes, and lips.
Hair is the fastest growing tissue in the body, second only to bone marrow.
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.