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What does the color strip on the bottom of toothpaste mean?

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posted Dec 27, 2017 by Alivia Clark

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2 Answers

+1 vote
 
Best answer

The squares are actually just part of the manufacturing process, and are called "eye marks"
The hidden information in these colored squares are read by light beam sensors and literally just tell the high-speed machinery where the packaging needs to be cut and folded.
Different color squares for different colors of tube.

answer Jan 22, 2018 by Munni Narang
+2 votes
  1. Green means natural
  2. Red means full chemical
  3. Blue means natural + chemical
answer Dec 27, 2017 by Kuldeep Meena
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