St johns wort country of origin france botanical name hypericum perforatum st johns wort is a soothing oil with many therapeutic properties our st johns wort is created by infusing the flowers in sesame oil this is also known as a macerated oil the whole plant is said to have antibiotic properties it is good for dry and sensitive skin insect bites and bruises it also soothes stiff muscles and joints and is said to be a hair stimulant st johns wort is a soothing oil with many ther