(Paeonia Lactiflora Bark / Sap) / Phellodendron Amurense Bark / Scutellaria Baicalensis Root / Mentha Arvensis Extract Definition: This is the extract of the bark of Paeonia lactiflora , and Phellodendron amurense ; the sap of Paeonia lactiflora ; the roots of Scutellaria baicalensis and the whole plant Mentha arvensis.