[2] The brand Blu sells various types of rechargeable and disposable e-cigarettes with a wide selection of flavored and unflavored liquids.

[17] The FDA determined that the applications lacked sufficient evidence to show that permitting the marketing of these products would be appropriate for the protection of the public health.

[20] A 2015 study found the average amount of copper in Blu eCigs aerosol was at 6.1 times higher than traditional cigarette smoke.

[21] A 2014 study tested 55 chemicals in e-cigarette aerosol for both Blu and SKYCIG devices and found acrolein, acetaldehyde, and propionaldehyde at amounts 86 to 544 times less than in cigarette smoke.

[22] On September 12, 2018, the Food and Drug Administration (US FDA) issued letters to the manufacturers of the five top-selling national US e-cigarette brands, including Blu, that made up a vast majority of the products illegally sold to minors.

[23] The US FDA asked each company to submit to them within 60 days plans describing how they will address the widespread youth access and use of their products.

[23] This could mean requiring these brands to remove some or all of their flavored products that may be contributing to the rise in youth use from the market until they receive premarket authorization and otherwise meet all of their obligations under the law.

[27] Blu eCigs puts restrictions on advertising placement in order for viewers to consist of no less than 85% adults "in an effort to minimize any potential exposure to minors," according to a company statement.

[29] "In 2014, Lorillard's Blu eCigs ran a radio advertising campaign to oppose the effort to amend Los Angeles's existing smokefree law to include e-cigarettes.

[31] In June 2017, Blu's parent company, Fontem Ventures, also ran a "Science Of Vaping" tour at the thecentre:mk in the UK which aimed to educate the public about e-cigarettes.