In 1925, two German physicians, Ferdinand and Walter Huneke discovered that procaine and lidocaine anesthetics caused immediate resolution of pain and symptoms when injected into scars. Neural means nerves. Nerves work by having a normal nerve flow.
Nerves monitor and control all the body's parts.
Muscles move because of nerve flow to them. The heart beats because of nerve flow controlling it. All the special senses and internal organs work due to the control of the nerves. This nerve flow is critical to the sensation, function and movements of the entire body. When nerves become damaged through surgery, injury, falls, burns and so forth, this vital nerve flow is broken.