Nioxin Volumizing Dry Shampoo is a volumizing dry shampoo for thinning hair. Volumizing Dry Shampoo instantly refreshes and volumizes hair, making it look denser and fuller. This daily dry shampoo absorbs oil and grease and adds light volume to all hair types. New look, same fantastic formula. Nioxin Volumizing Dry Shampoo is the new title of the former Nioxin Instant Fullness. Dermatologically and clinically tested.