OSiS+ Session Extreme Hold Hair Spray by Schwarzkopf Professional is una an ultra-strong hairspray of 300ml, ideal for securing even the most complex hairstyles. Thanks to its innovative formula, it ensures una extreme hold without weighing the hair down, keeping it natural and shiny all day long. Easy to apply and quick-drying, it protects against humidity and prevents frizz, offering lasting control and definition. Perfect for those who desire a flawless look and una professional hold.