An instantly smoothing shampoo with Frizz-Blocking Barrier technology to fight frizz before it forms, for hair that’s 5X smoother* after just 1 use. The oil-rich formula deeply nourishes, adds shine and silkiness, perfect for any frizz-free look, curly or straight!

Discover IGK Hair's Good Behavior Ultra Smooth Shampoo. Experience 5X smoother hair with frizz-blocking technology in this nourishing, oil-rich formula!