Physiodose Sterile Saline Solution is designed for nasal, eye, and ear hygiene. It is preservative-free and suitable for all ages, including infants. Made in France. Key Features Preservative-free formula Suitable for all family members Helps treat nasal congestion Disinfects and protects wounds Removes impurities from eyes and ears Sodium Chloride, Purified Water.Gilbert Laboratories, a French leader in family health, cosmetics, and hygiene since 1904.Tilt your head to the side. Gently insert the tip into the upper nostril and press lightly on the single dose. Repeat for the other nostril.The Ampule Is For Single Use. Do Not Use The Ampoule If It Has Been Opened To Avoid Infection Or Contamination.