Whether you call it Dabu Nail Hardener or Daby Nail Hardener.....we know one thing for sure, it is awesome! This super fortified strengthener is the best we have ever tried. Dabu helps nails to grow and look long, strong and beautiful....our staffers swear by it. If you have stubborn or overworked nails, or are finally going to lose the acrylics....this is your savior!! As seen in O Magazine.