L'Oréal Professionnel Vitamino Color Spectrum Mask for all colored hair is a moisturizing mask with Ferulic acid + Citric acid for colored hair that moisturizes hair fiber and locks in day 1 color vibrancy up to 100 days. The result on all 5 color dimensions and leaves hair stronger and smoother. Locks in color vibrancy upto 100 days* - +98% strength** -+92% instant hydration*** *Instrumental test with full vitamino color spectrum system **Instrumental test with full vitamino color spectrum system. ***Instrumental test after application of mask.