A family company. Extend-a-Clean: Active cleaners work for days. Removes soap scum. The invisible barrier is activated each time sink, tile, or chrome is wet - cleaning for 4 days. Powerful cleansers cut through soap scum and grime. Cleans sinks, showers, tubs, tile and chrome to a shine. Results may vary. A family company since 1886. Facts You Can Feel Good About: Formula contains no ammonia, phosphorous, or dyes. Product not tested on animals. Learn more at: www.scjohnson.com.