Lock in day 1 vibrant colour for up to 100 days* with Vitamino Color Spectrum Professional Shampoo by L'Oreal Professionnel. This bundle includes a refill pack that is up to 73% less plastic.** Formulated with Ferulic Acid + Citric Acid, the system locks dyes in the hair fibre to protect all 5 of the colour dimensions. Proven Results on the 5 dimensions