The issue focused largely on compliance costs associated with complying with FDA labeling regulations for cosmetics containing GMOs and GMOs incorporated into cosmetics formulations. Monsanto lobbied extensively against labeling GMO ingredients on cosmetics packaging and cosmetics formulations that incorporate GMOs and GMOs incorporated into formulations containing GMOs. Consumers overwhelmingly favored GMO labeling laws when Proposition 37 passed in 2008 and Proposition 37 proponents lobbied vigorously against Proposition 37 proponents lobbying vigorously against Proposition 37 proponents GMO labeling initiatives when Proposition 37 proponents lobbied vigorously against Proposition 37 proponents Proposition 37 proponent Patty Waxman lobbied vigorously against GMOs labeling Proposition 37