This nourishing leave-in conditioner hydrates and reduces frizz without weighing your hair down, leaving hair silky and smooth. Its lightweight, buildable formula melts into your hair, making it ideal for all hair types. This nourishing leave-in conditioner hydrates and reduces frizz without weighing your hair down, leaving hair silky and smooth. Its lightweight, buildable formula melts into your hair, making it ideal for all hair types. Founded by a team of four world-renowned stylists, IGK creates cutting-edge, cruelty-free hair care products free of parabens and sulfates that keep your hair looking its best, wherever you are.