It is recommended in cases of mucus accumulation that requires fluidization such as: persistent common cold, allergic rhinitis, sinusitis. Product without preservatives. Opti-Ionoc Marine Solution is a slightly hypertonic solution (more concentrated in salt than blood plasma). Due to the osmotic effect, a drainage of the excess water retained in the nostrils is achieved, which helps to fluidize the mucus and produce a decongestant effect without irritation. It allows the passage of water from a less concentrated solution to a more concentrated solution, producing the exit of water towards the nasal passages. Helps thin mucus. Produces a decongestant effect without irritation. In addition, Fluid+ contains a substance, Polysorbate 80, a mild surface-active agent, which helps to loosen mucus from the mucosa. Recommended use in adults and children from 12 years of age. Spray 1 or 2 times in each nostril, 2 or 3 times a day while the congestion lasts.