Breathe Freely with Argentyn 23 Sinus Relief. 23ppm Professional Bio-Active Silver Hydrosol. All natural nasal spray, is drug-free, alcohol-free, non-drowsy, non-addictive and contains no artificial dyes. Scientifically-formulated with natural ingredients for quick nasal relief. Only two ingredients: 99.999% pure silver and pharmaceutical-grade purified water. Cleanses nasal passages from pollutants and irritants and relieves sinus congestion by thinning mucus in the nose and sinuses so you can breathe freely.