I have used Crest for many years and will continue to do so because it is an excellent product. However, I do not recommend it at this time for one reason - the cap. After using the toothpaste a very few times, there is no way to close the tube. Packing it in a suitcase requires wrapping it in a plastic bag because the toothpaste is squeezed out.
I hope that you will re-package it in a different container with a cap that will close.