Just take a look at the lower part of your toothpaste becaue there must be a square. The color of this square is very important because it’s an indicator of the components.
In the following text will be shown what each of the colors means.
Green – Fully naturally
Red – Natural substances and chemicals
Black – Chemicals
There are sources that confirm this meaning and others denies it. It’s up to you to check out the ingredients written on the toothpaste and convince yourself whether these colors indicate the component and the essence of the paste or not.