Joico Color Endure violet Conditioner: the second step for long lasting colour; improves hair condition that results in more vibrant, more intense & shinier hair color. Benefits of Joico Color Endure violet Conditioner: Longer lasting colour with less tonal change. Improves hair condition that results in more vibrant, intense & shiny hair colour. Joico Color Endure violet Conditioner is recommended for: All colour treated hair types. Consumers wanting to protect the integrity & extend the longevity of their hair colour. Vibrant red & copper shades.