Wella Professionals Color Renew B Activator Liquid 500 ml is an innovative booster ideal for reviving and maintaining the intensity of treated color. Thanks to its advanced formula, it stimulates the renewal of the hair fiber, giving brightness and longevity to the desired tone. Easy to mix with coloring products, it ensures an even application and professional results. Perfect for those seeking una effective and long-lasting care for vibrant, shiny, and protected hair in tempo. An essential ally for always intense and natural color.