Weleda Ratanhia Mouthwash Refresh your breath with Weleda Ratanhia Oil. This exclusive complex of plant extracts including myrrh and ratanhia is not only suitable for vegans but also famed for its astringent and soothing properties. The mix of this with peppermint, sage and eucalyptus essential oils make up the Weleda Ratanhia Oil – which heals and refreshes the mouth. Directions of use: Pour between 5-10 drops of concentrate into half a glass of warm water, gargle or rinse mouth.