Harmon's model had previously colored Level-4 strands with average texture and normal porosity. Harmon applied ColourPrime to the hair prior to sectioning to even out the porosity and prepare the hair for color.
Formula A: Chroma 5NT with 20 Volume 1:1.5
Formula B: White Lightener with 20 Volume 1:2
Formula C: TONES 7G with Volume 1:2