Nasal spray with a natural composition based on colloidal silver 20ppm. Helps to maintain the epidermis in a healthy condition and to reinforce the protective barrier. Contributes to prevent the appearance of fungi, germs or harmful bacteria. Offers maximum bioavailability, rapid assimilation and optimal efficacy in protecting the mucous membrane of the nose. Made without preservatives, additives or chemical components. Suitable for children and adults. Clinically tested.