This is another one of those internet rumors, according to snopes: - TopicsExpress



          

This is another one of those internet rumors, according to snopes: However, those colored squares on the crimps of those tubes have nothing to do with the formulation of the toothpaste inside. Theyre an artifact of the manufacturing process known as eye marks or color marks, printed marks that can be read by light beam sensors and typically identify where product packaging is to be cut or folded as connected units stream through machinery at high speed: Read more at snopes/inboxer/household/toothpastemarkings.asp#CoKJzMjMwDy1jtcK.99
Posted on: Fri, 08 Nov 2013 02:08:34 +0000

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