Features: 1.Natural herbs, safe, no side effect, fit well for children and old people. 2.No need the operation, repiar the nasal mucossa naturally. 3.Good effect on nasal obstruction relief, kill bactoria. 4.Easy to carry, whenever you need. Just have a spray. Usage: Spray the product into your nasal cavity 1-2 times. 3-4 times per day. Or use it whenever you need. Cautions: 1. Children must be used under the help and guidance of adults. 2. Pregnant women should not be used. 3. Skin allergies, skin damage should not be used.