Are shampoo and body wash really that necessary? We did so long without it and yet it's a thing we're told we need to have otherwise we're disgusting. Yes washing and showering are necessary but with stuff that might be tampering with water cleanliness?
Hygeine question Afficher plus
@ambyrb natural soaps made from fatty acids tend to precipitate insoluble compounds ("soap scum") in tap water because of the presence of calcium and magnesium in the water, whereas synthetic detergents do not