Click here to buy ZO Skin Health Products Only HydraFacial? uses patented technology to cleanse, extract, and hydrate. HydraFacial? super serums are made with nourishing ingredients that create an instantly gratifying glow. Powered by ZO? Skin Health, HydraFacial Rozatrol? Booster Serum is specifically designed to relieve the visible signs of red, sensitized skin for a renewed complexion.Helps minimize the appearance of existing skin redness and dryness Prevents excess sebum build upHelps reduce the appearance of blood vessels on the skin (Telangiectasia) 9 mL / Net 0.30 Fl. Oz. U.S.