Lock in your day 1 colour vibrancy for up to 100 days* with Vitamino Color Spectrum Professional Blue Tinted Shampoo by Lu0027Oreal Professionnel. Formulated with Ferulic Acid + Citric Acid, the system locks dyes in the hair fibre to protect all 5 of the colour dimensions**. The creamy blue formula instantly neutralises undesired orange undertones for light brown hair. Hair is cleansed u0026 nourished. To use: To be used from two weeks after the salon visit and alternate with Vitamino Color Spectrum non-tinted shampoo. Apply evenly on wet hair. Emulsify. Leave on time depending on the tone and desired degree of neutralization (from 5 to 15 minutes). Check that all reflections have been neutralized. Rinse thoroughly until all dyes disappeared. Proven efficacy on the 5 dimensions** for ultimate coloured hair protection:- Shine: High Glass shine- Vibrancy: Rich, vibrant colours- Contrast: Optimal perception between multiple shades- Tone: Helps neutralise unwanted reflects – Brightness: Levels of brightness and darkness are well-preservedWelcome to the world of Lu0027Oreal ProfessionnelSince the invention of hair colour more than 110 years ago, LOral Professionnel has pushed the boundaries of science u0026 technology through their obsession with innovation, tech u0026 safety for stylists and women. Now introducing the Vitamino Colour spectrum to provide the ultimate colour protection.*Instrumental test after 49 washes using the full Vitamino Color Spectrum routine**Instrumental test after continued use of the full Vitamino Color Spectrum routine