Nasal spray with hydrogel composition and protective effect indicated for adults and children from 3 years. Formulated with hyaluronic acid, which acts as a barrier against the entry of allergens, helping to limit the spread of viruses and bacteria. It also promotes the natural hydration of the skin and has a healing effect. Contains trehalose, quercetin and vitamin C, which help protect cells from dehydration and the harmful action of external agents. Includes copper gluconate, which promotes the normal functioning of the immune system.