A special extract obtained from Cistus creticus contains polyphenols in concentrated form, which creates a protective film on the mucous membrane that physically prevents the penetration of bacteria and viruses into the body. Cistus provides effective physical protection, making it suitable for prevention and protection. Other ingredients such as citrus bioflavonoids and echinacea enhance the antiviral neutralizing effect. Actively cleanses the nasal cavity, moistens the nasal mucosa to prevent dryness, and helps to improve nasal breathing.