L'Oreal professionnel vitamino color masque is specially created to protect coloured hair or chemically treated hair. The masque protects hair against daily exposure to sun's harmful rays and pollution. The unique masque creates a lightweight shield on each and every strand of hair to provide ultimate protection. Incell hydro-resisit technology provide lasting radiance the masque creates a lightweight shield on hair for prolonged protection provides intense shine and vibrancy for coloured hair. How to use product:- apply into towel-dried hair and allow to work for one minute before rinsing.use twice a week, alternating with vitamino color conditioner on other days, for best results.