This professional-grade permanent hair color from Kevin Murphy, part of the Color.Me line, is formulated to deliver vibrant, multi-tonal results. The specific shade 8.4/8C indicates a Light Blonde base with Copper Honey undertones, designed for rich color payoff and excellent grey coverage. Utilizing advanced ammonia-free technology, this hair dye minimizes damage while maximizing color longevity and shine. It is ideal for achieving natural-looking depth or bespoke fashion colors, suitable for professional salon application or experienced at-home users seeking high-performance color management.