KT Professional BTT 03 Brazilian Tanino Therapy. This advanced hair smoothing treatment is enriched with tanino technology, designed to provide a natural straightening effect while maintaining hair health. Ideal for professional salon use, it reduces frizz, enhances shine, and leaves your hair feeling soft and nourished. The 1000ml bottle is perfect for long-term use, offering salon-quality results every time. Transform your hair into silky perfection with KT Professional's innovative Brazilian Tanino Therapy.