Denton smoke shops prepare as Texas outlaws THC vapes, Chinese made e cigs and more starting Sept. 1 Business dentonrc.com Must Read No Vaping Laws and Signs by State Best Of Signs Blogs for Banners Printing Tips & Services Vaping Laws For All 50 States Signs.com Blog Just a reminder, the minimum age to buy nicotine products in Indiana is 21. This means retailers are prohibited from selling cigarettes, e liquids, and e cigarettes to anyone under age 21. We 2 business owners sue RI for looming flavored e cigarette ban