Prepare your hair for virtually any look with this super soft Wella Professionals Wet Velvet Amplifier Style Primer. This concentrated serum improves manageability & amplifies control with one pump of smooth responsive styling. Wella Professionals Wet Velvet Amplifier Style Primer is a leave-in serum that improves manageability & control for smooth styling. Give your hair the ultimate finishing touch with this velvety soft styling must-have.