4% Pennyroyal Essential Oil 10ml.
 
Pennyroyal, or Mentha Pulegium,  is actually a close relative to Spearmint and Peppermint, and has been used to target a variety of ailements. Pennyroyal has been traditionally used to strengthen the nerves, and as also been found beneficial in cases of spasms, hysteria, flatulence, colic and sickness.