How does hairdressing contribute to the society?

You need your hair clean and in good condition so that it doesn't make a mess and also to avoid catching infections or infestations such as lice. Barbers have been there for ages. Hairdressing has become more and more sophisticated with time, involving aspects of personal grooming, fashion and cosmetics. You do not just want to have your hair clean nowadays but in style too, mainly for personal and cultural reasons.