You will first want to know what type of paint was used, so that you can make a decision on the best way to strip it. If you've painted with our ReBornFX paints for example, we carry a special paint remover that was created just for this purpose. If you're working with heat set paints, you may need to use a thinner. Never use acetone to strip a doll, because it may damage your vinyl. If it's just a small spot you need to fix- say an ink stain, try our Twin Pines Remove Zit.