Redken's Big Blowout Heat Protecting Blowout Jelly is a jelly serum that provides instant volume with a soft, bouncy, and shiny finish without the crunch Big Blowout is a gel that melts into hair to provide a voluminous bombshell blowout to all hair types and textures. With anti-frizz and anti-humidity benefits, the heat protectant gel is sure to make your blowout last. Benefits