Wella Plex Atb Step 1 is a professional hair treatment designed to strengthen and rebuild hair bonds. This innovative formula works from within the hair shaft to repair damage caused by chemical processes, heat styling, and environmental stressors. Suitable for all hair types, it prepares the hair for subsequent treatments, ensuring optimal results and improved hair resilience. Incorporate this essential step into your salon or at-home hair care routine to achieve healthier, stronger, and more vibrant-looking hair.