Schwarzkopf OSIS+ Session Extra Strong Hold HairspraySchwarzkopf Osis+ Session Extra Strong Hold Hair Spray,formerly known as No. 3 Extreme Hold, is a hairspray for serious styling sessions. Its super fast drying, non sticky formula is an essential final step in securing an up do and opens the doors to creative styling. Gives your hair long lasting hold that goes on for hours and hours. You can't hold a fabulous style without a hairspray like Schwarzkopf OSIS Session Extreme Hold Hairspray. Extra Strong