Proyou the Keeper Booster by Revlon. | Strengtheners indicated for color care in dyed hair. Its formula will intensely treat your hair, prolonging the vibrancy of the color while helping to leave hair silky, controlled, and easy to detangle. Contains color defense technology, a complex with pH acid and anti-abstract agents that close the cuticle creating una homogeneous surface capable of retaining the color in the pile fiber. Translated by Google