Lafe's Mineral Rock Salt Deodorants are Fragrance Free and made with potassium alum (natural mineral salts). Rock Salt Stone and Rock Salt Deodorants eliminate odor-causing bacteria & offer 24-hour deodorant protection. Contains no aluminum chlorhydrate. Our Crystal Salt Stone and Rock Salt Deodorants like all of Lafe's products are always paraben free, dye free, petroleum free, gluten free, non-GMO, propylene glycol free, alcohol free, phthalate free, triclosan free, sodium laurel sulfate free, PEG compound free, DEA/TEA/MEA free, VOC free & mineral oil free.