HERE is the calculator and at this point you are going to want to play. If you want to make a solid soap with some KOH added then start small and go from there...
Lindy, What about a lower "cleansing value"... since a shaving soap purpose is not to clean... I'll considerate on the creaminess, low bubbles and high steric acid.... Back to the drawing board... Not quiet ready to bring this to the kitchen yet...