In a new guidance from the Food and Drug Administration, the agency said e-cigarettes are now legal under the same guidelines as tobacco products.
“E-cigarettes may be used to produce nicotine and other chemical substances in the form of vapor or liquid that does not contain nicotine or other chemicals,” according to the FDA.
The agency also said the products must be labeled and must be in compliance with all applicable federal and state laws and regulations.
“Products may contain flavoring, colorings, nicotine, flavorings, and other ingredients, which may also be harmful to health and the environment,” the agency added.
Read more about e-cigarette guidelines.
The FDA also said e.cigs should not contain tobacco and may not be used by people under the age of 18.
The new guidelines were issued in April.
The guidelines state the products may be sold at retail stores, but must not be sold in a public place, including schools, libraries, hospitals and other places where children are present.