Are Crest Products Gluten-free?
Are Crest Products Gluten-free? Crest toothpastes, Crest white strips or Crest night effects and Glide dental floss are gluten-free. Does Crest toothpaste contain gluten? Crest. Crest has stopped using gluten in any of their toothpaste. Colgate. Colgate also says that their toothpaste is gluten-free and that they make sure to take steps to avoid cross-contamination.