John Frieda Frizz Ease Extra Strength 6 Effects + Serum is known for its iconic frizz-fighting abilities, but it does so much more. In addition to eliminating frizz, a dime-sized amount of serum applied to soaking wet hair can prevent damage from heat styling, repel humidity, smooth strands, hydrate, and tame unruly flyaways. With its blend of silk proteins and seaweed extract, plus its famous frizz fighting ingredients, John Frieda Frizz Ease Extra Strength 6 Effects+ Serum instantly transforms wild, unmanageable hair into gorgeous, silky locks.