VO5 Salon Series Perfect Hold Styling Mousse. VO5 Salon Series Perfect Hold Styling Mousse is infused with 5 Essential Vitamins to help fortify your hair to create a healthy shine that perfectly finishes any style. Its light formulation provides flexible control without weighing hair down. Curls are defined and enhanced without stiffness or stickiness for a salon-quality look. VO5 Salon Series Perfect Hold Products do not contain the 11 revitalizing oils.