Walnut Hulls - Powdered - 1 oz
Walnut - Black walnut (Juglans nigra) is a common source of brown dye throughout the Americas. Walnut is considered a substantive dye because a mordant is not required to yield dark lasting colors on any natural fiber. The addition of alum acts more as a color changer. Walnut hulls contain high amounts of tannic acid as a component of juglone, the active colorant. The rich brown color develops with oxygen, so it is necessary to simmer the walnut powder for about two hours with an overnight cool down before adding the fiber. Earthues walnut hulls are finely powdered (not an extract) and potent.
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