L'Oreal Professionnel Serie Expert Blondifier Gloss Professional Concentrate Treatment 400mlL'Oreal Professionnel's Blondifier Gloss Concentrate is a concentrated liquid treatment for sensitized blonde hair. It was specifically developed for blonde hair that has gone through chemical treatments such as bleaching and highlights. The professional formula aims to balance the loss of nutrients while repairing damage. With the exclusive Gluco Polyphenol Complex, this concentrate is able to smooth the hair cuticle to visibly diminish the