100% seawater formula: the exclusive manufacturing process ensures that PHYSIOMER retains all the health benefits of the Saint-Malo seawater as well as its high mineral and trace element content. PHYSIOMER solution soothes the irritated nasal mucosa and offers better healing properties than normal salines.Proven to be effective against all the sinonasal symptoms associated with colds and to improve post-operative care following endonasal surgeryA strong jet : extremely effective in clearing the nose of thick (or purulent) mucous, scabs and undesirable particles.