Benefits of Caffeine The claims about the soap may sound outrageous but there is proof. Here's some links of interest regarding the benefits of caffeine applied to the skin: Caffeine reduces skin cancer "Lower Risk of Skin Cancer Another Perk of Caffeine" from the Wall Street Journal Study from the Susan Lehman Cullman Laboratory for Cancer Research at Rutgers University Caffeine as a cellulite treatment “Caffeine is in almost every cellulite-reducing product that shows any benefit, because it helps blood flow to the skin and works like a diuretic.” -Linda Wells, the Editor-in-Chief of Allure Magazine Jergens Skin Firming Lotion "Natural Remedy for Cellulite Reduction" Costic's Caffeinated Soap is made with only the finest ingredients including pure caffeine. Ingredients List Sodium Palmate Sodium Palm Kernelate Water Glycerine Sorbitol Fragrance Palm Acid Palm Kernel Acid Caffeine Tetrasodium Salts