Blacklight Smart Developers
The 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.
DIRECTIONS: Use with all BLACKLIGHT Lighteners and BLACKLIGHT Powershades; follow instructions and mixing ratios on their packaging. Do not use metal tools.