Preference, an expert in fade-defying hair dye, now includes for the first time an additional colour extender. Preference\'s colorants lock into the hair, ensuring a luminous and long-lasting colour which covers up to 100 percent of grey hair. Preference\'s patented anti-fade system locks colour into the hair, to ensure a luminous and long-lasting colour which perfectly covers your grey hair. The high shine conditioner is enriched with vitamin E and UV filters; The formula renews and prolongs your colour\'s first-day shine. It keeps your colour shiny and luminous and your hair soft and silky for up to 6 weeks with regular conditioning.