A new dimension of shine and protection with a leave-in serum for dyed hair | Give yourself hair that reflects light like glass and maintains the color as on the day of dyeing. The serum L’Oréal Professionnel Serie Expert Vitamino Color Spectrum prevents hair discoloration, tames frizz and protects against humidity and high temperatures. It envelops each strand in an invisible shield that smoothes, hydrates and provides a dazzling shine that lasts up to 10 washes. The color will remain intense, the texture of the hair soft and your hairstyle will always be perfectly smooth.