Oligo Blacklight 40 Volume (12%) Smart Developer 1L Barberology Mix ratio 1:2

Mix ratio 1:2

including colour-treated hair

Biotop 20 Volumizing Boost Hair Shampoo is specifically designed to thicken hair from within

Paul Mitchell® the color has consistently low ammonia at every level

Use ghd Helios PROFESSIONAL HAIR DRYER with ghd heat protect spray for best results

Oligo Blacklight 40 Volume (12%) Smart Developer 1L Barberology Mix ratio 1:2Oligo 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