Fanola Fiber Fix N.3 Shampoo 1 Litre is specifically formulated for use after phases 0+1+2 of the Fiber Fix treatment, gently cleansing and sealing cuticles to maintain hydration and elasticity. It serves as a protective barrier, promoting shine and prolonging the effects of the treatment. With a pH of 4.3 / 4.7, its scientifically proven formula guarantees effective and long-lasting results, leaving hair nourished and supple.