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A chemical is a form of matter that can exist as a gas, a solid, a liquid or plasma. Everything in the universe is a chemical except for energy: heat and light. We are made of 100% chemicals; the air is full of chemicals; water is a chemical. Marketing terms that use ‘chemical free’ are misleading and just wrong. NOTHING except energy is chemical free. It is a way for marketers to provide a false sense of security that is, plainly, unethical.