Cortizone 10 Hydrocortisone Ointment provides fast itch relief of minor skin irritations and rashes. Cortizone 10 Ointment contains a pretrolatum base to provide an occlusive barrier to help keep moisture in and the area clean while the hydrocortisone relieves the itch. Safety Warning For external use only. Indications Temporarily relieves itching associated with minor skin irritations, inflammations and rashes.