Oligo - Blacklight - Smart Developer Size:30Vol | 9% Apply a generous quantity to

Apply a generous quantity to clean

Designed for color-treated hair preferring sulfate-free care

and looking healthy

Conditioning Agents: Soft

the 3D-offset handle and ergonomically angled thumb hole reduce hand fatigue during extended use

Oligo - Blacklight - Smart Developer Size:30Vol | 9% Apply a generous quantity toThe 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. Volume available: 10 vol 20 vol 30 vol 40 vol DIRECTIONS: Use with all BLACKLIGHT Lighteners and BLACKLIGHT Powershades; follow instructions and