This professional Alkaline Hair Toner from Matrix, part of the Socolor Sync Pre-Bonded line, is designed to deliver beautiful, predictable toning results with enhanced color integrity. Formulated with pre-bonded technology, this toner helps to strengthen the hair fiber during the coloring process, minimizing damage and ensuring a healthier-looking result. It is ideal for neutralizing unwanted tones or refreshing existing color while adding a customizable sheer tone.