This Hair Serum from the Goldwell Dualsenses Color line is specifically formulated to maintain the vibrancy and longevity of color-treated hair. Its advanced formula works to lock in color pigments, minimizing fading caused by washing and environmental factors. The serum texture is lightweight, providing essential care without weighing down fine hair. Ideal for daily use to support salon results, this product helps keep colored hair looking fresh, bright, and healthy between salon visits.