OSiS+ Session Extreme Hold Hair Spray by Schwarzkopf Professional is a una 500ml spray hairspray designed to provide una ultra-strong and long-lasting hold without weighing hair down. Ideal for complex hairstyles, it ensures immediate fixation and humidity resistance while maintaining the hair's natural flexibility. The professional formula protects against environmental damage while providing shine and total control, ensuring impeccable styling throughout the day. Perfect for those seeking high performance and professional results.