Selecting the best polymer for use as a viscosity modifier and optimising concentration used within a nasal spray suspension formulation is critically important. Droplet size and rheological data together support the achievement of this objective.
                        
                                            
                            Selecting the best polymer for use as a viscosity modifier and optimising concentration used within a nasal spray suspension formulation is critically important. Droplet size and rheological data together support the achievement of this objective.