Keratin Complex Applicator Brush 2 (Tester), Professional Hair Treatment Application Brush, Tester, is a precision tool designed for accurate and even application of hair treatments. Its firm bristles ensure consistent product distribution from root to tip, reducing waste and improving results. Perfect for keratin treatments, coloring, or conditioning services, it delivers professional-quality performance. Lightweight and easy to handle, it enhances efficiency and control, helping stylists achieve smooth, even coverage and optimal hair treatment results every time.