How does this product help? Sudafed Blocked Nose Spray with Xylometazoline hydrochloride, works in minutes to help clear blocked noses and relieve sinus pressure caused by colds and hayfever. The metered spray gives an exact dose that lasts for up to 10 hours. Medicinal product. For relief of and to help clear blocked noses and sinus pressure caused by colds and hayfever. Active ingredients, Xylometazoline Hydrochloride 0.1% w/v. Please read enclosed leaflet carefully before use. Do not give to children under 12 years old. Store out of reach and sight of children.