Redken Shades EQ Bonder Inside 09NB is a professional treatment of 60ml, packaged in sets of 3 units, designed to protect and strengthen the struttura hair during coloring. Thanks to its innovative formula, it strengthens weakened fibers and improves the longevity of the shade, ensuring hair that is stronger, shinier, and healthier. Perfect for high-quality salons, it offers a vibrant and long-lasting color experience while preserving the integrity of the hair with professional and visibly improved results.