• E-cigarette aerosol is NOT harmless “water vapor.”
• The e-cigarette aerosol that users breathe from the device and exhale can contain harmful and potentially harmful substances, including:
  • Nicotine
  • Ultrafine particles that can be inhaled deep into the lungs
  • Flavorings such as diacetyl, a chemical linked to a serious lung disease
  • Volatile organic compounds
  • Cancer-causing chemicals
  • Heavy metals such as nickel, tin, and lead
• The aerosol that users inhale and exhale from e-cigarettes can expose both themselves and bystanders to harmful substances.
• It is difficult for consumers to know what e-cigarette products contain. For example, some e-cigarettes marketed as containing zero percent nicotine have been found to contain nicotine.