L'Oréal Professionnel Dia Color 4.20 is a una demi-permanent color without ammonia, ideal for those who want brilliant and natural color without compromising the health of their hair. Its gentle formula nourishes and protects the hair fiber, ensuring a luminous and even result. Perfect for refreshing color or covering slight imperfections, it leaves hair soft and silky to the touch. The 60ml package ensures a practical and precise application, making this dye a professional and versatile choice.