Schwarzkopf BlondMe Premium Developer is specially formulated to partner BLONDME bleach and colour shades. It's an oil developer with a caring formula that supports hair's natural moisture balance which ensures your new blondes have brilliant shine and a wonderfully soft feel to their hair. BlondMe Developer comes in 4 strengths: 2% (7 vol) perfect for toning hair that's already been lightened and for gentle bleaching. 6% (20 vol) the strength for conventional bleaching or for toning on naturally light (level 8 or above) blonde hair. 9% (30 vol) ideal for maximum bleaching, white hair blending or lifting naturally light blonde hair. 12% (40 vol) choose this one for lifting or white blending on a natural base at level 6 or 7. Available in 1 Litre *Please note - Schwarzkopf BlondMe is in the process of updating it's packaging, you may receive either type of packaging depending on inventory levels in our warehouse as the new packaging filters through*