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Back in the neolithic days, hair would protect the skin from cuts, grazes, and the Sun kept the body warm, and even worked well as camouflage. Through the years, as humans, we have developed through evolution, and our hair waned in texture, thickness and colour, and there are a number of possible reasons for this.
Why did humans keep pubic hair?
The skin in the area around the genitals is very sensitive. Pubic hair can naturally reduce friction associated with the movements during sexual intercourse and other activities wherein chafing may occur. Pubic hair can also help stop bacteria and other microorganisms from entering the body.Why do humans have armpit hair?
It reduces frictionWhat happens if you never shave your pubic hair as a female?
The benefits of not shaving pubic hair are avoiding irritation, cuts, and ingrowns—when you don't shave, you won't get irritated. If you don't shave your pubic hair, nothing happens, but it's important to keep it clean with a daily genital-friendly wash and exfoliant to keep odor at bay.Roman Empire
Wealthy women and men used razors made from flints, tweezers, creams, and stones to remove excess hair. In fact, even pubic hair was considered uncivilized which is why many famous statues and paintings of Grecian women are depicted hairless.
The Greeks and Egyptians idealized hairless bodies. Shaving and depilation techniques were commonly used. Greek sculptures depict men and women without body hair. This was generally felt to be a result of common infestations of body hair with parasites and the sense that a body without hair was cleaner.
So modern trends aren't that new after all.