This is a Glow Anniversary Instant Fresh Volumizing Hair Dry Shampoo. [1, 2] This product is designed to absorb excess oil from the scalp without requiring water. It is formulated to volumize hair, deodorize, and leave no white residue, even on dark hair. The bottle typically contains 5.07 fl. oz. and is often sold as a hair refreshment hack. It is frequently marketed alongside a brush for application, targeting users looking for quick fixes between washes.