Vitamino Color Spectrum Professional Glass Shine Serum by L'Oreal Professionnel goes beyond classic serums by coating the cuticle surface to lock in the 5 dimensions of colour spectrum, provide ultimate colour protection & glass shine. Proven efficacy on all coloured hair up to 10 washes* The serum is enriched with 5% Alpha-silane, an active care ingredient that creates a protective layer on the surface of hair fibre when it is activated by heat. Results: Locks in glass shine** anti-frizz effect Anti-humidity (Up to 80% humidity in the air) *Anti-frizz,thermoprotection, hydration, nutrition, smoothness, softness up to 10 washes, instrumental test **Up to 72h after application,instrumental test