Glycerin

After the phytoremediation process, we find a whitish mixture, to add color there are several options.

You can add carrots that have not gone through this process and cook them until they are soft and pass them through the blender, with the water that you have cooked them.

You can add food coloring. It is an easy way to get very bright colors and helps prevent mold from appearing.

You can add pigment powder that is the result of the dehydration of the pigments.