Schwarzkopf Igora Royal Oil Developer Strength:40 Vol Gives some support when brushing

Gives some support when brushing hair

For each application

For use on thin or fine hair types

Infused with pure plant extracts to keep hair healthy and shiny

seals and strengthens the hair cuticle

Schwarzkopf Igora Royal Oil Developer Strength:40 Vol Gives some support when brushingSchwarzkopf's new Oil Developer is a conditioning, caring peroxide that's optimised to work with Igora. It comes in 4 strengths: 3% (10 vol) 6% (20 vol) 9% (30 vol) 12% (40 vol) 3% for darker or pastel colouring and for covering 100% white hair; 6% for tone on tone colouring, white hair coverage and lightening 12 levels; 9% for lifting 23 levels (34 levels with the Special Blondes), colouring with 00 shades and white hair coverage with the Absolutes;