To make sure the vegetable dyes stick to the wool during the dye process and to fixate them after the dye process you need additives. We have a selection of them in our collection. They are available per 250gr or 1kg.
alum |
copper sulphate |
glauber's salt |
iron sulphate |
natrium hydro sulphate |
oxalic acid |
potash |
potassium bichromat |
tartaric acid |