Anti-wasting activists say businesses are deliberately targeting young people by offering fragrances. Critics argue that not only is more research into health impacts needed but also encourages young people to switch to cigarettes.
Earlier this year, the US Food and Drug Administration (FDA), the national regulator, issued proposed guidelines to companies by 2021 to apply for e-cigarette products
Originally set for August 2018, but the agency later said it took more time to prepare.
San Francisco City Public Prosecutor Denis Erera, who agitated for a ban, praised this move and said it was necessary because of what he called the FDA's "disclaimer" in the regulation of electronic cigarettes.
According to the US Centers for Disease Control and Prevention, the number of American teens who admit to using nicotine products increased by about 36% last year due to an increase in the use of electronic cigarettes.
According to federal law, the minimum age for purchasing Cco's products is 18 years, although in California and a few other countries he is 21.
Juul said he supported the reduction of young people but only a combination with tougher measures to stop their access to regular cigarettes.
The device, just longer than flash memory, has about 70% of the US market.
Juul's spokeswoman Ted Kwong said: "This complete ban will drive out old adult smokers who have successfully switched to vapor products, lethal cigarettes, the ability to switch current adult smokers and create a thriving black market instead of turning "We have already taken the most aggressive action in the industry to keep our products from the hands of these minors and take steps to do more"
He said but that traditional tobacco will remain unchanged by this legislation, although it kills 40,000 Californians every year
Juul, 35% owned by the Marlboro Altria Group, has already withdrawn popular flavors such as mango and cucumber from stores and closed the canals your social media in Instagram and Facebook