New Olaplex No.9
"Perfect for all hair types, this antioxidant rich, silicone-free styling serum shields strands from pollution, heat, and future damage by supplying nourishment, blocking pollutants, and neutralizing free radicals. Use on clean, damp hair and reapply between washes for satin shine, style retention, bouncy curls, less static and tangles, and heat protection up to 450°F."