Product Overview Looking for gentle cleansing with a smooth, supple finish? Our tip would have to be the Wella System Professional Smoothen Shampoo which cleanses locks whilst providing the hair structure with perfect control & smoothness for a beautifully sleek finish. Benefits This specially-formulated shampoo helps to make coarse hair smooth & supple whilst effectively cleansing. To get the sleekest results, use with the System Professional Smoothen Conditioner.