Hair is simoply a protein filament that grows in the skull
I heard about that in school. Very interesting,.
it is one of the major charastics of a mammal
Really? I guess all mammals have it.
yes, the most interesting and common interests about hair is growth, hair types, and hair care.
My sister-in-law is obsessed with hair. She is always complaining her hair grows to slow.
I understand that, attitudes about hair varies across cultures and historical periods, and age too