A warning has just been issued by the FDA that there will be a ban on triclosan which is a well known agent with potent antibacterial properties and it has been used to make soaps, detergents, cosmetics, toys, and toothpastes. So, according to the FDA this ingredient is dangerous and may cause health risks of high levels and bad side effects as well.
I don't use Colgate and I'll make sure I check with my wife to make sure she isn't either.