OSiS+ Session Extreme Hold Hair Spray by Schwarzkopf Professional is una an ultra-strong hold hairspray ideal for fixing every style with precision and extreme durability. Thanks to its innovative formula, it offers una extra strong hold without weighing down the hair or leaving visible residues. Perfect for complex hairstyles or for maintaining volume and definition all day long, it guarantees a natural finish that is resistant to humidity. The 500ml bottle ensures excellent performance, making it an indispensable ally for professional results.