Ariel Prozim 2 with dual power technology offers the best stain removal on the market. It removes what previously were impossible stains such as rust, paint, motor oil etc. It also comes with protection technology whereby the more a garment is washed with Ariel the less stains are able to penetrate it and the easier it can be cleaned. Ariel with a touch of Downy was introduced with a new technology for longer lasting freshness.