Preference Infinia Permanent Colour 5.21 Florence,Preference, an expert in fade-defying hair dye, now includes for the first time an additional color extender. Preference's colorants lock into the hair, ensuring a luminous and long-lasting color 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 color's first day shine. It keeps your color shiny and luminous and your hair soft and silky for up to 6 weeks with regular conditioning. Available in 7 dark blonde color shade.