4 Natural Dyes you can use without the need of a mordant.Most natural dyes really need a good mordanting, either aluminium based mordants, copper, ferrous sulfate or a tanning using a tannin rich plant material. Mordanting is important to improve the light- and was fastness of your textiles and it intensifies the colour outcome on your fabric.Some natural dyes have enough tannin to be light- and wash fast without the assistance of alum, or iron. These are called substantive dyes. I have…
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