Gather a piece of flannel or cotton cloth, castor oil, plastic wrap or an old towel, and a heating pad or hot water bottle
Fold the cloth to fit the area you want to cover
Saturate the cloth with castor oil until it is damp but not dripping
Place the cloth directly on clean, dry skin
Cover the cloth with plastic wrap or an old towel to protect clothing and bedding
Place a heating pad or hot water bottle over the covered cloth
Leave it in place for 30 to 60 minutes
Remove the pack and wipe the skin clean with a mild soap or baking soda solution
Store the cloth in a sealed container or bag for reuse
Use a towel or old clothing to avoid staining surfaces and fabrics