The invention relates to an inhaler element, to be inserted inside a nasal cavity for inhaling medicinal substances, characterized in that it comprises, inside, a dispensing device, said dispensing device providing a convergent conduct for inlet of respiration flow and a divergent conduct for exit of respiration flow, and storage means for the substance to be inhaled, said storage means being provided in flow communication substantially in correspondence of the transition zone between said convergent conduct and said divergent conduct of said dispensing device.