If you have flyaways and unruly strands of hair and moderate frizz, use the Frizz Ease^® Original 6 Effects Serum. If you constantly suffer from separated curls or stray hairs sticking out all over, and have coarse, thick, wiry hair, use the Frizz Ease^® Extra Strength 6 Effects Serum to control your chronic frizz. You can control flyaways and boost shine with Frizz Ease^® Expert Finish Polishing Serum.