Some families just use them dry, others use just plain old water and some parents make their own wipe solution. (naturallifemom.com)
Just don't let coconut water take the place of plain old water in your daily routine. (whole30.com)
I began with plain old black acrylic paint from the craft store, which I mixed with calcium carbonate (per measurements in my chalk paint recipe). (oldthingsnewblog.com)