While those who purchase green household want eco-friendly, natural or organic formulations, almost equally as important is how that products smells, according to market research firm Packaged Facts in the report Green Household Cleaning and Laundry Products in the U.S., 3rd Edition.   “To consumers the olfactory experience of household cleaners can signal either the cleaner's pleasant naturalness or harsh chemical make-up,” says David Sprinkle, research director, Packaged Fac...