FESS Eucalyptus. Natural Relief From Nasal Congestion How does FESS work? Fess Eucalyptus helps relieve nasal and sinus congestion due to allergies, hayfever, colds and flu. The non-medicated saline solution keeps your nasal passages moist and washes away allergens such as dust and pollen. Non-medicated, so can be used as often as required. Colds and flu: FESS Eucalytus thins and clears excess mucus to help clear block noses. Sinusitis and Rhinitis: FESS Eucalyptus relieves congestion, promotes nasal health and helps neutralise acidity in the sinus cavity during sinusitis. Hayfever: FESS Eucalyptus washes away dust, pollen and other allergens that can cause hayfever. Active Ingredients: Sodium Chloride 9mg/ml Preservative: Benzalkonium Chloride pH buffered alkaline solution Dosage: Adults: 2-3 sprays per nostril Children: Use Children's FESS Babies: Use FESS Little Noses Warnings: *Warning The bottle should only be used by one person. Sharing the dispenser may spread infection. If congestion persists please consult your doctor. Extended Information: FESS can be used in conjunction with medicated nasal sprays such as steroids, antihistamines and decongestants. Use Fess prior to using an antihistamine or nasal steroid to allow better penetration of the medication, and after using a decongestant to moisturise and clear the nasal passages.