Squeezing for fun / pacakaging

It is a good habit to squeeze toothpaste out of a tube from bottom to top. Then, it is also a problem for designers to solve that how to make consumers develop this habit.
The gradient words in front of package are reminding user that there are something under the toothpaste.With the toothpaste being pushed up away, the picture inside will be showed. The curiosity of human being will lead people to keep the action that squeezing toothpaste from bottom to top until they get all the image. That makes fun for users who squeeze toothpaste from bottom to top.