Sensus Holi Liquid Activator 500mlSens.s Holi tones and enriches hair color. Using the Clear shade you can control the intensity of the color and the desired tone. Its fluid texture makes it instantly easy to apply. Actuation time can be up to 30 minutes, depending on the service chosen. The duration of the toning effect is between 6 to 15 washes (12 30 shampooings), depending on the intensity of the color applied. Sens.s Holi is not formulated to cover or mask gray hair. Thanks to