Frizz Ease Original formula Hair Serum by John Frieda for Unisex Serum, 0.8 Ounce by John Frieda. Save 50 Off!. $2.49. Protects and prolongs color. Contains sunscreen. Blocks frizz all day. Instantly and dramatically transforms dry, frizzy, or chemically-treated hair into incredibly smooth, glossy hair. An exceptional blend of silicones immediately smooths texture while delivering a layer of crystal-clear gloss for perfectly polished, frizz-resistant styles.