I'd buy used e-cig stuff in a heartbeat - lots of people buy piles of different setups & try them once or twice before stuffing them in a drawer..
id be more worried about the chemicals *in* the plastics than the bio-matter *on* the plastics (which can be washed off & sanitized).. things like bpa & such..
id be more worried about the chemicals *in* the plastics than the bio-matter *on* the plastics (which can be washed off & sanitized).. things like bpa & such..