How does FESS work? FESS helps relieve nasal and sinus congestion due to allergies, hayfever, colds and flu. The non-medicated saline solution keeps nasal passages moist and washes away allergens...
How does FESS work? FESS helps relieve nasal and sinus congestion due to allergies, hayfever, colds and flu. The non-medicated saline solution keeps nasal passages moist and washes away allergens...