WHAT IT IS BosRenew Volumizing Dry Shampoo is perfect for anyone who doesn t wash their hair everyday needs a quick dry cleanup after the gym or just wants a refresh on their style. WHAT IT DOES Bosley Pro BosRenew Volumizing Dry Shampoo leaves hair soft with lots of volume and never flakes. It is formulated for fine to medium hair. Removes dirt excess oil and product build up. DHT Inhibitors help maintain healthy hair and scalp. Keeps hair color safe and lasting longer by lengthening time between washes and provides UV protection.