How cellophane get dissolved in sea water? The best answer can be Cellophane is made by digesting wood and cotton pulps in a series of chemical baths that remove impurities and break the long fiber chains in this raw material. Regenerated as a clear, shiny film, with plasticizing chemicals added for flexibility, cellophane is still comprised largely of crystalline cellulose molecules. This means that it can be broken down by micro-organisms in the soil just as leaves and plants are as sea water contains several micro organisms and minerals that is my cellophane sheet gets dissolved.