This professional-grade hair serum from L'Oreal Professionnel is formulated to enhance the vibrancy and shine of color-treated hair. The Vitamino Color Spectrum Glass Shine Serum works to seal the hair fiber, protecting color from fading while imparting a brilliant, mirror-like finish. Use this serum on damp or dry hair as the finishing step in your styling routine. It helps control frizz and flyaways, providing a smooth, polished look that maintains color integrity between salon visits.