The French Tricolor served as the inspiration for the design of the new flag for the new nation, but the colors were chosen to represent the 'Three Guarantees' - Green symbolized independence, white was for the Roman Catholic religion, and red is for union of Americans and Europeans.
Making the world better, one answer at a time. The ADA website has a list of Seal of Acceptance products on its website. As of 2/11/2012, closeup is not on it. I was surprised, because I thought all toothpaste manufacturers would get this. I was disappointed because it tastes so good.
Less frequently, Sodium Hydroxide is seen as an ingredient in toothpastes. Sodium Hydroxide is FDA approved, and has received the GRAS (Generally Recognized as Safe) rating as a direct food additive. However, it is primarily used in the washing and chemical peeling of produce.