Matrix SoColor is a professional-grade permanent cream hair color known for its pre-blended, pre-bonded, and pre-paired formulation: Pre-Blended: each tube combines background pigments and reflect factors—this helps neutralize unwanted underlying tones for more accurate, vibrant results. Pre-Bonded: includes Matrix’s exclusive Bond-Protecting Concentrate which helps maintain hair integrity and protects inner structure during the coloring process. Pre-Paired: permanent and demi-permanent oxidative are matched to ensure seamless, root-to-tip consistency and color longevity