Bitter YUCK! No Chew Trigger Spray for horses is used to curtail the habit of unwanted chewing. Water-based, non-staining formula does not sting but avoid spraying around eyes or nose. Can be used on sores, wounds, and over topical medication. Safe to use on trees, plants, enclosures, leather, and blankets. For use in all classes of horses (performance and non performance horses). cGMP Compliant, Manufactured in the USA