Trend Driven, Fade Defying Colour. A deep, hypnotising violet. Pr�f�rence is the expert in long-lasting luminous colour that offers the latest on-trend fashion shades direct from the salon. With vibrant shades, to light and dark hues and salon effects like Ombre and Highlights. Enhanced with a hi-shine elixir and unique colour extending conditioner, your hair is guaranteed to remain luminous for up to 8 weeks. Intense Vibrant Colour Colour Lock Conditioner Stays Luminous For Up To 8 Weeks Perfect grey coverage Enriched with a UV filter and Vitamin E View more