Stripes at package of toothpaste
green, blue, red, black stripes
A square or strip in the lower part of the toothpaste indicates which ingredients contain the paste.
Whether it's natural ingredients or chemicals you will find out if you pay attention to the color of the square at the
bottom of the package.
The square on the lower part of the tube tells a lot about the ingredients, and it's important to know what each
Green code - completely natural ingredients
Blue code - natural substances + medicines
Red code - natural substances + chemicals
Black code - only chemicals