THIS IS AN EXCLUSIVE AMMONIA-FREE FORMULA THAT SPRAYS ON AND WIPES OFF EASILY. THE FAST-ACTING FOAM CLINGS TO VERTICAL SURFACES, NO RUNNING, NO DRIPPING, NO STREAKING. CLEANS THOROUGHLY AND DRIES QUICKLY. CONTAINS NO OZONE DEPLETING CHEMICALS; LEAVES NO FILM; FRESH, CLEAN AROMA; SAFE ON ACRYLICS, POLYCARBONATES, AND OTHER NONPOROUS SURFACES. (FOR IMPROVING VISION IN INCLEMENT WEATHER, SEE AQUAPEL APPLICATOR PACK UNDER "SPECIALTY PRODUCTS.")