alum
$15.50
Aluminum Potassium Sulfate, commonly known as alum, is commonly utilized by dyers to amplify wash-fastness and brightness of hues produced from natural dyes. Employing alum as a mordant helps to preserve vibrancy and works with both protein and cellulose fibers. Recommended usage rate is at 10-20% WOF. This product is offered in 8oz.