ink and soap?....hmmm. You could melt down the soap and mix just enough ink into it so that when it drys, you have marbled soap. You could also carve the soap using a pen and out line the ridges with ink.
I don't about ink but it is possible to make soap from peanuts. Just add sodium hydroxide to the oil extracted from peanuts, it will give soap.
peanut butter, ink, paper, and soap
Soap and ink, yes. Food oil and massage oil, yes. Milk, yes. Peanut butter, yes. Glass might be stretching a point.
Yes out of peanut oil and vegetable oil
hot water and soap
soap or something called fleox
Use pure undiluted liquid Green Soap, which can be purchased at any tattoo supply shop or online. Green Soap also washes tattoo ink off of skin.
Are you sure it is the ink? My cousin thought so for along time & then we discovered it was the green soap.
If it has water-based ink; then just use dish washing soap and water. If it is another ink, there are various products that can help you remove ink from the rubber.
water
Squid, octopus, and cuttlefish, rely on ink as a natural defense which they use to protect themselves from their enemies. They can make as much as they need until they die.
The good old fashioned way- water and soap. :)