Wisconsin Ban on Flavored E Cigarettes Vape ban forces smoke shops to slash inventory Underage tobacco and vape sales declining but still higher than Wisconsin health officials want WPR Wisconsin will ban non FDA approved vape products on Labor Day WDIO.com Study: E cigarette flavor ban pushes young adults to cigarettes WisconsinNews: On Sept. 1 a new Wisconsin law went into effect placing a ban on all vape products not approved by the FDA, which limits the state's vape selection to 39 products.