This multitasking leave-in treatment is the number 1 best seller. Versus untreated hair it Instantly delivers 86% more hydration Instantly cuts frizz by 50% (all day, even in extreme humidity) Plus, it protects from heat tools up to 450F/232C, has UV Filters to help protect hair against the drying effects of the sun, helps protect color from fading for up to 16 washes, detangles to help protect against breakage, smoothes, softens, and adds shine. Now thats a real multitasker.