Fatty Acids are carboxylic acids with a long aliphatic chain, usually from 8 to 18 even number carbon atoms in the molecule, either saturated or unsaturated.
Glycerine (or Glicerin) is a colorless, odorless and non-toxic viscous liquid widely used in the food industry as sweetener as well as in pharmaceutical formulations. Due to it’s polyol nature (contains three hydroxyl groups) have a good water solubility.