Oligo Blacklight 20 Volume (6%) Smart Developer 1L T.R.U.E. 3 Hair Perfector over hair

3 Hair Perfector over hair with No

75" extra-large ceramic barrel

After using OLAPLEX No

This curling iron delivers shiny

faded strands

Oligo Blacklight 20 Volume (6%) Smart Developer 1L T.R.U.E. 3 Hair Perfector over hairOligo Blacklight Smart Developer must be mixed with a Blacklight Lightener or Powershade. It is specially formulated to provide perfect consistency of final mix, to deliver optimal lifting and to facilitate application. The Blacklight developers ensure consistent and reliable results with each application Features: Bond protection technology; this technology strengthens hair bonds and protects the surface of the hair during chemical treatment. How to