Veterinarian recommended topical pain relieving gel for race horses to alleviate joint pain. Specifically formulated for pre-race application & use on osteoarthritis, bursitis, bone chips & other forms of degenerative joint diseasein the knees, hocks, stifles & fetlocks. Works inmediately by depleting the chemical messengers produced by the nerve endings that are responsible for transmitting pain to the brain. Will not test positive. Will not blister or scurf. NET WT 8 oz