Schwarzkopf hairdressing products. GLISS VOLUME dry shampoo. Dry shampoo for fine or flat hair that provides body and volume without weighing it down. Ideal to use between washes. It offers 24 hours of volume effect without weighing it down, an extra day of freshness and leaves no residue. Shake the vaporizing container at about 20 cm and leave it to act for a few moments, massage the hair with a towel and brush to remove any product remains.