Are Vapes Illegal in Kentucky? Sikary Vape Official Website California Vape Flavor Ban Information 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. Juul Ban City, State Bans on Juul & Other Vaping Products 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