The Food and Drug Administration says it will begin cracking down on e-cigarettes that have used synthetic nicotine to skirt oversight.
The companies behind those products sell vaping flavors that appeal to kids.
Previously, the agency could only regulate products that used nicotine derived from tobacco. Under a new law that took effect Thursday, the FDA can regulate products using manmade nicotine.
The action specifically targets companies like Puff Bar. That company recently switched its formula to laboratory-made nicotine to avoid oversight.
Puff Bar is the most popular brand among teenagers, selling flavors like blueberry, strawberry banana and mango.
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