Achieve rich, warm dark brown tones with Matrix SoColor 4W (4.35). This professional permanent hair color ensures 100% grey coverage while protecting hair fibers with pre-bonded technology. The formula leaves hair soft, smooth, and glossy, delivering long-lasting, natural-looking color with warm copper highlights. Ideal for those seeking a vibrant dark brown shade with subtle warmth and shine. ✨ Key Benefits: 100% grey coverage with rich dark brown and warm copper tones Pre-bonded formula strengthens and protects hair during coloring Long-lasting, fade-resistant color Smooth, soft, and conditioned hair after application Suitable for all hair types, professional or home use