NasoMar sterile undiluted seawater solution, recommended for infants or children in situations of nasal congestion, cleaning the nasal cavities and as an aid in the treatment of rhinitis, in general. NasoMar Lactente Criança has a packaging that offers an exclusive diffusion system, allowing a homogeneous and smooth nebulization of the nasal cavities. It has a non-return valve, to avoid contamination of the product after each use. With a propulsion system that allows its use in any position. It has a safety disc in the nasal adapter, which allows easier daily use in the child.