Native peoples in surin produce silk and cloth with Sericulture worm's cocoon as their job.Before they make silks they need to boil Suriculture worm's cocoon to make silk fiber.The water they get from boiling the cocoon have some kind of silk fiber named Sericin that contain 18 type of amino acids that can skin nourishment and kill and prevent bacteria from growing and can be use to make soap so they make soaps with the water that is used to boil cocoon.The soap produced from the water that they used to boil cocoon have 18 type of amino acids especially the silk serine protease and aminosuccinic acid,glutamic that can clean human skin like a soap and all those proteins are skin nutrition which are easily absorbed through epidermis to improve the nourishment of skin through epidermis cell and strengthen skin cell vitality.