Dyeing your hair yourself will save you money, but it can be a messy job, and the dye can get in places you don't intend. If you find an old hair dye stain on your rug that you didn't catch right away, don't panic. Although the dye stain may look impossible to remove, especially since it has dried, with the right techniques and removal products you can get it out successfully.
Combine 2 cups warm water, 1 tbsp. white vinegar and 1 tbsp. dish soap into a bowl. Stir it up well to mix thoroughly the ingredients.
Dip a clean, white rag into the mixture. Blot the liquid onto the hair dye stain.
Blot with a dry cloth to absorb the liquid. Continue blotting with the damp rag and then the dry rag until no more of the dye is coming off the rug.
Rinse the spot by sponging it with a clean rag and cool water. Blot with a dry rag to absorb the liquid.
Moisten a clean rag with rubbing alcohol if the spot remains. Blot the stain with the alcohol-soaked rag and then a dry rag to absorb the liquid. Continue blotting with the alcohol-soaked rag and then the dry rag until the stain is gone.
Rinse the area with a rag and cool water. Blot well to dry.