Santa Maria Novella IRIS Toothpaste. This non-abrasive toothpaste containing Iris powder, bloodroot , propolis, spearmint, cinnamon, clove and peppermint oils, white clay and bicarbonate of soda not only cleans and refreshes, but has strong astringent, anti-gingivitis and anti plaque properties as well. Limited hand-made production. Use twice daily as you would any tooth paste. You will notice a fresh natural mint taste and a unique cleanliness after you brush. Do not ingest.