a method naturally decomposing a piece of gum uses a quantity of biological organism infused through a quantity of chewing - gum base . once the chewing - gum base is masticated by a user , the biological organisms come into contact with the user &# 39 ; s saliva and begin to biodegrade the chewing - gum base . this method helps to prevent irresponsible disposal of the chewing - gum base after being removed from the user &# 39 ; s mouth .