St. John's Wort Oil from St. Francis Herb Farm is a topical antimicrobial to help treat and heal minor skin wounds, cuts, burns, and bruises.• A classically effective topical ointment used for treating wounds and neuralgic conditions from antiquity• Called "arnica for the nerves" because it's particularly useful for painful, neuralgic conditions• For bruises, contusions, sprains, lacerations, swellings, sunburn, and first-degree burns• Also used for earache