Did you know that colored stripes on the tube of toothpaste mean something?
They concern the composition of the paste.
Green means that the paste has been made from natural ingredients without chemistry, fluoride and aspartame
Blue color means paste is a mixture of natural and chemical ingredients.
Red color means the paste has been produced mostly from chemical ingredients.
Black means that the paste has been produced exclusively from chemical ingredients.
Now you can check and choose the best for yourself.