Other authors investigated the effect of one particular polymer at different concentrations, like Pal [10],who characterized the viscoelastic properties of O/W emulsions prepared with different amount of PRAESTOL 2540 TR (an anionic polymer based on the polymerization of acrylamide), or Kettler et al.[11], who investigatedthe rheologicalproperties of O/W emulsions containing polymeric thickener C10–C30 acrylate.