The FDA in the USA and Health Canada warns people that most E-Cigs pre filled with E-Juices from china may contain DEG (Dietheylene Glycol) or PEG (Ethylene Glycol) both being primary ingredient in antifreeze that you're not even supposed to ingest let alone inhale. All Canada-E-Cig.ca E-Juices is made using Pharmacy USP Grade Medisca VG (Vegetable Glycerin) and PG (Propylene Glycol)more...See more text