Zicam Cold and Sinus Relief 4X - 4X - 4X Strength Nasal Spray 15 ml - EachCold and Sinus Relief Zicam 4X 4X 4X Strength Nasal Spray 0. 5 oz. Active ingredients, Galphimia glauca 4x, Luffa operculata 4x, Sabadilla 4x, may shorten colds (4X means the substance has undergone four tenfold dilutions) Galphimia glauca is a small, evergreen shrub that grows in the tropics and subtropics of North and South America: Galphimia glauca may block reactions in the body that cause allergy symptoms; it might also have sedative effects As