EQyss Micro-Tek Equine Spray is a fast-acting, non-steroidal, antimicrobial topical treatment that soothes a horse's irritated skin on contact. Horse Journal testing rated #1, it promotes healthy skin by treating fungal, bacterial and viral skin conditions. This spray works on rain rot, scratches, girth itch and ringworm. Each application continues to work for 24 hours to speed healing. Non-toxic and alcohol free, it won't sting or harm open wounds or compromised skin.