This is what happens when smoking damages the cilia inside your nose. Those tiny hairs normally move mucus OUT but when they stop working, buildup like this happens. Your nose cant protect itself How to Blow Smoke Out of Your Nose: 9 Steps (with Pictures) How To Blow Smoke Out Of Your Nose Vape How To Blow Smoke Out Of Nose Vape I Tried Mastering Making Smoke With My Mouth Vaping causes short term damage to nose so only exhale through mouth Metro News