How do you get acetone off a leather couch?

To remove acetone from a leather couch, first blot the area with a clean, dry cloth to absorb as much of the acetone as possible. Avoid rubbing, as this can spread the stain or damage the leather. After blotting, use a leather conditioner to restore moisture and suppleness to the affected area. If the stain persists, consider consulting a professional leather cleaner for further assistance.