E-liquids often contain propylene glycol and other chemical ingredients, which can leave residue on your device if not cleaned regularly
"It's clear that there are still more conversations to have, and that will take significantly more time," said Health and Human Service Secretary Xavier Becerra in a statement
Cotinine, a primary metabolite of nicotine, is often tested instead and can remain detectable for up to two weeks or more in regular users
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Frequent or chronic cannabis users may have longer detection windows compared to those who are frequent cannabis users smoking marijuana less frequently
Visit the Vaping Resource Center E-Cigarette Problems and Potential Violations There are no safe tobacco products, including ENDS