A Conversation for How They Get Stripes on Toothpaste

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Post 1

IfAtFirst

Although in the 50s and 60s this method may have been used this article is no longer correct. Modern toothpastes have their stripes pre-mixed in... see.. http://www.youtube.com/watch?v=GPBxSWAXoJo


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Post 2

Dr Hell

It's the same principle. The different colors still go out different ways through the nozzle.


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