Real Techniques Brush Cleansing Gel helps extend the life of your brushes. This exclusive gel formula utilizes the strength of a concentrate, is alcohol-free and non-drying. It has also been shown to effectively remove almost all makeup residue, oils and impurities, as well as has been dermatologically tested for mildness. This concentrated gel, which is transformed into a foam, allows you to get your brushes completely clean and as good as new. Recommended for weekly use.