Matrix Bond Ultim8 Step 3 Sealing Treatment is the final step in a professional fiber protection system designed to seal and strengthen hair after chemical treatments. This 5.1 oz formula locks in moisture and creates a protective barrier, helping to restore elasticity and shine while reducing breakage. Ideal for color-treated, bleached, or chemically processed hair, this sealing treatment works to extend the longevity of your salon results and maintain healthy, resilient strands between professional services.