Wella Blondor Plex 9 Level liftDescription Wella Professionals revolutionary BlondorPlex formula features our Bond Builder Technology that provides up to 9 levels of lift and up to 97% less breakage* with easy preparation. BlondorPlex is great at lightening on and off the scalp and on pre colored hair. BlondorPlex also contains anti yellow molecules to help reduce orange yellow undertones during lightening. *When using Wellaplex N2 with Blondorplex, versus Blondorplex alone.