Schwarzkopf Professional OSi S+ Session Hairsprayis an extreme hold hairspray, with a fast-drying formula for creative styling. The non-sticky formula, with strong control & ultra long-lasting hold, has fast-drying & easy to brush out benefits, whilst providing the hair with protection against humidity & UV rays. The special formulation allows the hair to be moulded after spraying & the film-forming resin works as a humidity blocker & gives a strong hold.