Osis by Schwarzkopf is a recently updated hair range, with new formulas that are now better than ever! If you're looking for haircare products to create inspirational hair and add energy and creativity to your style, Osis is certainly the range for you. Already an Osis fan? Don't worry - hair care best-sellers such Osis Dust It and Osis Mess Up Matt Gum haven't been altered, they still have the same amazing formula. The good news is they've also been joined by new products such as Soft 'N' Straight, which has been likened to liquid straightening irons.