Natural soap composition having elasticity viscoelasticity and ductility without containing polyvinyl alcohol and borax and method of preparing the same

A method of preparing a shaped soap comprising:

• mixing and stirring 10 to 30% by weight of a soap solution, 0.5 to 10% by weight of a biopolymer, 1 to 10% by weight of a nonionic surfactant, 3 to 10% by weight of glycerin, 5 to 15% by weight of a vegetable oil, 10 to 20% of sucrose, 1 to 10% by weight of distilled water and 30 to 50% by weight of starch (a);
• and
• cooling the resulting mixture to 0 to 35° C., and aging the same (b) after the step (a), wherein the biopolymer comprises glucomannan, and at least one of:
• at least one thickener selected from mannan, a Plantago psyllium husk powder, gluten, guar gum, agar, alginic acid, locust bean gum, xanthan gum, carrageenan, dextran, diutan gum, glucosamine, gellan gum, gelatin, pectin, whey protein, hydroxyethyl cellulose, carboxymethylcellulose (CMC) and salep;
• at least one natural resin selected from karaya gum, tragacanth gum, arable gum, mastic gum, chicle, sorva, jelutong, and natural rubber (Hevea brasiliensis);
• and
• at least one mucopolysaccharide selected from collagen, chitin, chitosan and hyaluronic acid.