Be careful on which figures you dip. The PDU made in China will not strip. The PDU made here in the USA will strip with acetone. I buy it from beauty supply stores by the gallon. I reuse the same gallon until it has so much dye accumulated that it doesn't work as well. The only other brand I tried was Freeman from Southeastern. They told me to use denatured alcohol which looked great at first so I did a very large batch. After they dried, they turned off color so bad I had to throw them in the garbage! Lesson learned!