There are provided safe, tasteless, odorless, non-aqueous liquid spray compositions formulated for administration to the nasal cavity consisting essentially of pharmacologically acceptable non aqueous liquid carrier in which said bioactive material is directly insoluble, a pharmacologically acceptable water insoluble ester of a water soluble acid soluble in said carrier, a pharmacologically acceptable water soluble glycol soluble in said ester and a pharmacologically acceptable water soluble bio-active material soluble in said glycol but not directly soluble in the carrier. There are also provided methods of producing and administering such compositions.