Coffee contains enzymes that detoxify, cleanse and help unclog pores, making it ideal for treating acne, eczema and other skin problems.  The caffeine in coffee has the ability to constrict blood vessels, making it very useful in natural soap for those who suffer from rosacea and skin redness.  It will even out your skin tone.  It can also help minimize the appearance of tiny "spider" veins on the skin.  Recent studies show that coffee/caffeine applied to the skin may tighten and firm skin, reducing cellulite!  Caffeine apparently dehydrates fat cells by energizing them which causes the eliminations of water and the sodium/potassium component of the cells.  By massaging and rubbing the areas with natural soap containing coffee, the fat cells break up and the lumps and bumps of cellulite decrease.  The end result is smoother skin.  Has it's natural fragrance.