Not to be confused with pot marigold or Calendula officinalis. Its scent has been used as a deterrent to house flies. The oil has a minty, sweetish, fruity odor and is a well-known fungicide and antiparasitic. Kills roundworms in the gut. Also indicated for athlete's foot and ringworm. Not to be used on pregnant women and children, considered a neurotoxic and abortive. Excessive skin use is discouraged as it can cause serious photosensitivity; do not use prior to exposure to simulated or natural sunlight. This oil is extremely difficult to work with, for the penetrating aroma has the curious property of becoming stronger when combined with other essences. It may be acceptable when blended with orange, lemon or lavender. Tagetes should be used in concentrations of less than 0.5%. Do not use during pregnancy. Flash point: 113̊F. (Cannot ship via air or ocean w/o appropriate documentation, cannot ship via postal air services.)