Hydrates and soothes Helps relieve nasal discomfort (itching, runny or stuffy nose, sneezing, mucus buildup) by lubricating nasal tissue. 100% natural Fast-acting relief and protection Preservative and phosphate free GMO-free Sugar, gluten and lactose free Vegan Hyalorunic acid's main purpose is to retain and replenish moisture. Its ability to bind immense quantities of water to the nasal mucus membrane ensures an effective and long-lasting level of hydration. It helps to soften mucus crust and buildup to facilitate easy removal. Sodium has natural antibacterial properties and helps to create a protective barrier against cold and flu viruses, making it ideal for use before travelling. Chamomile soothes the mucous membranes of the nasal passage and helps to relieve inflammation.