Even if you dont inhale while vape smoking, your mouth, throat, and lips are exposed to harmful chemicals, as is your oesophagus when you swallow saliva that contains the chemicals. , There is a Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center What Happens When You Swallow Vape Juice? Do You Swallow The Smoke From Vape A Beginner's Guide to Vaping