Product Overview Achieve a tailored look with Sassoon Professional Definitive Groom 75ml which will complete any style. Benefits Smooth & define your hair with Sassoon Professional Definitive Groom, a weightless smoothing serum that tames flyaways whilst giving your hair definition by adding texture & shine. Key Technology The Sassoon Professional Definitive Groom has a Mineral Oil Finishing Complex which contains oil components & bees wax so your hair is left coated with a reflective film so it has a hydrated look. The clay component enables the formula to let you achieve a hydrated matte look.