Not all vapes have LEDs. Not all vapers are smug. Also, the ingredients are not unknown. Juices have vegetable glyceryn, propylene glycol, nicotine and food fl

Not all vapes have LEDs. Not all vapers are smug. Also, the ingredients are not unknown. Juices have vegetable glyceryn, propylene glycol, nicotine and food flavoring. That s all. If you use soap, brush your teeth, eat food or some 100s other activities, you already are in contact multiple times a day with most of those things (except for nicotine, of course).