#$%^&*AU2013206362A120130704.pdf#####ABSTRACT The invention provides a composition containing hyaluronic acid (HA) or a pharmaceutically-acceptable salt thereof preserved with a cationic preservative and 5 related methods. In one embodiment, the pharmaceutically-acceptable salt is sodium hyaluronate. In another embodiment, the cationic preservative includes benzalkonium chloride (BAK).