i'm interested in that too;
it's made from shea, citrus juice, camwood extract (no idea what that is or where to get it) honey and aloe.
haven't found a recipe yet; don't know if there really is a recipe, the women who make them probably pass it on from mother to daughter.
and every african black soap (ose dudu or dudu osun) seems to be different.
Ingredients include: Pure honey, Shea butter, OSUN (camwood), Potassium Palmkernelate, Sodium Palm Kernelate, Glycerin, Aloe vera, Lime juice, Lemon juice, Water and Fragrance.
shouldn't be that difficult