Relieve eight common eye irritation symptoms with one drop of VISINE® Multi-Symptom 8-Symptom Relief Eye Drops. This long-lasting moisturizing formula contains the decongestant tetrahydrozoline hydrochloride to relieve redness and zinc sulphate to help clear eye mucous build-up associated with allergies and common colds. A single drop provides fast, effective relief of dry, red, itchy, gritty, watery, stinging, irritated, or burning eyes caused by colds or allergies, leaving eyes feeling refreshed and comfortable.