Wella Fusion Amino Refiller expertly repairs and fills lost amino acids within the fibres of damaged hair. Formulated Wella's exclusive Silksteel Fusion Technology, which combines Silk Amino Acids & Micronised Lipids, this treatment repairs damaged hair by penetrating deeply into each hair strand, restoring strength plus smoothing the hair cuticle. This rinse-off treatment leaves hair visibly renewed with improved elasticity & resilience against future breakage.