OSiS+ Session Extreme Hold Hair Spray by Schwarzkopf Professional is una an ultra-strong hairspray ideal for securing complex and long-lasting hairstyles. Its advanced formula ensures una extreme hold without weighing down the hair, maintaining a natural effect and volume. Resistant to humidity and climate changes, it provides impeccable control throughout the day. Perfect for those seeking professional performance and styling that lasts while keeping softness and shine. Bottle of 500 ml for extended use.