Jacquard Synthrapol Prewash and After Wash Liquid detergent for Dyed or Painted Fabrics, Industrial Strength, pH Neutral, 8 fl oz
Jacquard Synthrapol is a mild soap specifically made for removing excess dye so that dyed articles may be washed with other laundry. When dyeing not all of the dye will react with the fiber being dyed. Excess dye, therefore, must be removed to prevent backstaining