Lantiseptic CaldaZinc Ointment 4 oz Tube Lantiseptic Multi-purpose Skin Ointment 4Oz Tube, Moisture BarrierLantiseptic Multi-Purpose Skin Ointment is a 20% zinc oxide formulated moisture barrier that helps treat irritated skin. It helps relieve local discomfort, burning and itching in the perianal area related to anorectal disorders and hemorrhoids. The zinc oxide also helps in drying the oozing and weeping of poison ivy, oak and sumac.