The Facts of Scents: Fragrances are now used in almost every cleaning, laundry, and personal-care product on the market. Since people have been using perfumes for as long as we have had noses. Its reasonable to wonder why the problem of using scents and chemicals has only recently come to light. Until the 20th century, perfumes were made from natural ingredients derived directly from plants and animals, and as fragrances became cheaper and more widespread, they also became more synthetic and toxic... read more
