The flowers of the herb have the maximum concentration of the most beneficial ingredients with the main ones being hypericin and hyperforin. It is analgesic, extremely effective for sciatica and back pain, as well as for any rheumatic pain, for joint pains and for all kinds of wounds, injuries, bruises and bruises, sprains, burns, inflammations, edema, hemorrhoids. Pregnant and breastfeeding mothers are advised to avoid St. John's wort oil. The hypericin in the oil is photosensitive and it is recommended not to expose yourself to the sun after using the oil.