Schwarzkopf Igora Royal Oil Developers - 9%-30vol

Schwarzkopf's new Oil Developer is a conditioning, caring peroxide that's optimised to work with Igora. It comes in 4 strengths: 3% (10 vol) for darker or pastel colouring and for covering 100% white hair; 6% (20 vol) for tone-on-tone colouring, white hair coverage and lightening 1–2 levels; 9% (30 vol) for lifting 2–3 levels (3–4 levels with the Special Blondes), colouring with -00 shades and white hair coverage with the Absolutes; 12% (40 vol) for lifting up to 5 levels and for colouring with the Fashion Lights.