A new Kentucky law requiring smoke shops to obtain updated retail licenses takes effect Jan. 1, marking a significant step in efforts to prevent youth vaping across the state. Details below. FDA Announces Ban on Most Flavored Vaping Cartridges Effective Jan 1 KY is banning all non FDA approved vape juices from All Establishments shops and gas stations alike including disposable vapes only nicotine and menthols will be available no more Kentucky law limiting vape sales takes effect Jan. 1