This nourishing masque enriched with Incell Hydro-Resist double-locking technology targets weakened areas of the hair & wraps each hair with a lightweight film to protect against everyday wear & tear, which can zap colour radiance intensity. Hair is intensely nourished, & protected in just 60 seconds. Directions for use: Smooth into towel-dried hair & allow to work for just one minute before rinsing. Use twice a week, alternating with vitamino color conditioner on other days, for best results.