Posiformin 2% Eye Ointment is a preservative-free eye ointment that contains the active ingredient bibrocathol, with antiseptic and anti-secretory activity, and is therefore highly suited for use in inflammation of the eyelids. Preservative-free eye ointment that contains the active ingredient bibrocathol, with antiseptic and anti-secretory activity, and is therefore highly suited for use in inflammation of the eyelids.