Carr day martin killitch licensed and by that we mean proven yes proven to soothe and cure the unfortunate condition of sweet itch apply this unique lotion early in the spring to prevent the condition and the midges setting in yes it really works avm gsl licensed product with active ingredient benzyl benzoate in a soothing lotion specially formulated for horses guards against the culicoides midge that causes sweet itch if used as preventative measure in early spring prior to the s