The small colored square on any kind of tube there is a meaning to it.
Now you are aware on the content to the tube you are using/purchasing.
Source:The Unknown; but not hidden.
NATURE'S EYE: I'm a blogger, who is still wandering answers around the globe on mysteries of life, love,faith,places,music, arts,sciences, numbers,letters and nature ðžI ð¿K POP naomispenny.blogspot.com
