Yarrow by ESC Laboratoire is a herbaceous, perennial plant of 60 to 80 cm. A plant with a poorly branched stem, it grows in temperate zones of several continents such as Europe, Asia and South America. The stems are covered with woolly, whitish hairs. Its elongated leaves are dark green in color, petiolate at the base. Discreet flowering, between June and September, white, pink or purple. Components: flavonoids, alkaloids, essential oil, lactone, sesquiterpenes, coumarin. Yarrow, a broad-spectrum plant that acts on the horse's general tonic: Rich in numerous active ingredients, yarrow is a plant used for its tonic and soothing properties on the digestive sphere and the reproductive system. This plant is particularly useful for relieving horses prone to gastrointestinal disorders (slow digestion or digestive spasms). It is also known to support blood circulation, particularly in cases of circulatory disorders in the hooves. Due to its soothing properties, yarrow is a treatment product recommended for mares who are uncomfortable during heat periods.