The United States Food and Drug Administration (FDA) has taken action against Fancystage Unipessoal, LDA, for its misbranded "THE HUMBLE CO. sodium fluoride 0.05% anticavity mouthwash FRESH MINT".  The FDA also took action against other adulterated and misbranded drug products manufactured by Fancystage Unipessoal, LDA.  You can read the FDA action here: https://www.fda.gov/inspections-compliance-enforcement-and-criminal-investigations/warning-letters/fancystage-unipessoal-lda-678453-06042024.