You might notice the word paraben if you like to check the skin and hair products' labels. It's a common chemical used in cosmetics for preservation purposes. But where does this element come from? Parabens come from para-hydroxybenzoic acid (PHBA), which is found in fruits such as cucumbers, berries, and onions. Though it's used to preserve cosmetics, parabens can harm your hair. It can cause hai …