This Essential Keratin Hair Serum from Eugene Perma is formulated to provide intensive care and restoration for hair. Its key ingredient, Keratin, works to smooth the hair surface, reduce frizz, and enhance manageability. Applying this serum helps to protect strands from daily environmental stressors, leaving hair looking nourished, shiny, and strong. Ideal for use on dry or damp hair before styling or as a finishing touch to tame flyaways.