WHAT IT IS Pearl Classic Collection Structure Bath Volumizing Shampoo is a daily volumizing and strengthening shampoo. WHAT IT DOES Scruples Pearl Classic Collection Structure Bath Volumizing Shampoo is fortified with wheat protein that leaves hair shiny and full of volume. This is a patented shampoo that provides natural volume while maintaining control and manageability. It also gives you smooth shiny hair with fullness and body.