Product Overview Manage your style with Wella Professionals Velvet Amplifier 50ml, a styling primer that helps to improve the manageability of your hair & give you the control you want to get the style you need. Benefits Achieve smooth responsive styling with the Wella Professionals Velvet Amplifier, a concentrated serum that amplifies control. Our stylists find it great to use before blow drying to help you achieve the desired shape as all you need is one pump of the serum to take the first step to getting a sleek & smooth style or a look with a bit more volume.