Achieve a professional frizz free finish with the pureology smooth perfection smoothing serum formulated for normal to thick colour treated hair the serum provides long lasting frizz control and seals the hairs cuticles to lock in natural moisture levels delivers heat protection to defend against damage caused by styling tools and can be applied to dry hair for a sleek calm finish or damp hair for the perfect blow dry enhances shine and restores smoothness from root to tip benefits fo