What It Is:The #1 bestselling Bumble and bumble leave-in treatment that cuts frizz by 50% all day vs. untreated hair, even in extreme humidity. Plus, it helps detangle, soften, add shine, and protect-a real multitasker.What It Does:-Instantly cuts frizz by 50% all dayeven in extreme humiditycompared to untreated hair-Helps protect color from fading for up to 16 washes-Uv Filters help protect hair against the drying effects of the sun-Provides heat protection up to 450F/232C-Detangles to help pro