After years of legal battles and health concerns, Juul Labs has the go-ahead to sell some of its electronic cigarettes in the United States. The U.S. Food and Drug Administration (FDA) said that it will allow Juul to market its e-cigarette device and tobacco and menthol refill cartridges.

FDA regulators said Thursday that Juul’s studies show its e-cigarettes are less harmful for adult smokers, who can benefit from switching completely to vaping.

The Food and Drug Administration is allowing vaping brand Juul to keep its e-cigarettes on the market, providing relief to a company that has struggled for years