Matrix SoColor Pre-Bonded Permanent Hair Color 3 oz 4NJ Dark Brown Neutral Jade

Professional-grade permanent color engineered for lasting vibrancy and hair integrity. Matrix SoColor's Bond-Protecting Concentrate shields hair structure during every application, while pre-blended formulas with background and tone deliver consistent results across all bases. Pre-paired dyes ensure seamless coverage from scalp to ends with fade-resistant tone. Enriched with Cera-Oil Complex for brilliant shine and color longevity. Ideal for professional stylists seeking reliable, multi-dimensional results on every client.

Please note: This product must be mixed with a developer or peroxide before applying to the hair