VIDEO: How Stripes Are Dispersed Inside Toothpaste Tubes J. Frank Wilson on Apr 25, 2015 (Updated: Dec 8, 2016)Did you ever wonder how toothpaste manufacturers were able to add stripes inside the tube? GE Healthcare‘s Instagram account cleverly used 3D … Read MoreVIDEO: How Stripes Are Dispersed Inside Toothpaste Tubes