This high sudsing, biodegradable liquid is concentrated 100:1 for economy. Washes away dirt, grease and road grime. Rinses easily. Its pH balanced formula will not harm previously applied wax or sealant. A concentrated liquid car wash offers economy without sacrificing high performance cleaning ability. Whether you use hard or soft water does not matter; Car Glow produces thick, rich suds that lift away dirt and oily road film.