Matrix Socolor Extra Coverage Pre-bonded permanent hair color in shade 507AV delivers a rich, long-lasting color with exceptional gray coverage. The 90 ml formula is enriched with Pre-bonded technology to protect the hair structure during the coloring process. Ideal for vibrant, salon-quality results at home, this permanent hair color ensures an even application and a natural finish. Perfect for anyone seeking full coverage and intense color impact with a professional touch.