Feel the difference with Osis Session Extreme Hold Hairspray. It gives you extreme power control, so you are able to style your hair as you wish! ItÕs ideal for creative styling. Osis Session Extreme Hold Hairspray provides your hair with ultra long lasting hold. ItÕs a non-sticky hairspray with fast drying formula for instant fixation. Schwarzkopf Osis Session has a Control Level of 3 for maximum style moulding and definition. Directions of use: apply onto your dry hair. Spray approximately 30cm from your head.