Blending the elements of these two herbs together creates a wonderful salve for aiding in the healing of wounds, bruises, and injuries. St John's Wort is a Nervine which helps to calm the nervous system. It is also antiviral and antispasmodic which aids in keeping a wound clean and reduces muscle spasms. Calendula aids in healing wounds and increases blood flow to the area. Calendula also has calming properties on the skin and helps to reduce irritation.