It is mildly abrasive to the skin, has gentle antiseptic properties, and adds longevity and character to soap lather. Use ground cinnamon only. Soaps made with clay are therefore somewhat drying. Red, green, or beige clays are available from many health-food stores. Cloves are antiseptic, but can be irritating, so use this spice only in small amounts.
Cocoa butter is an emollient and adds soothing properties to any soap.
The rich, solid oil is white and will not affect the color of your soap. Coffee is used in soaps to absorb odors from the skin. Use fresh unbrewed grounds. Cornmeal absorbs oils and has long been used for its mildIy abrasive qualities, which help to unclog skin pores. Either white or yellow cornmeal will work well.