Schwarzkopf Igora Royal 7-42 60ml - permanent colouring
The system is based on a combination up to 4 numbersThe number before the dash indicates the tone level of the shadeThe number after the dash indicates the primary reflection, the second number after the dash indicates the secondary reflection, two identical numbers after the dash indicate the reinforced main reflection; the third number after the dash indicates the minor reflection
Mixing ratio 1:1Apply first to mid-lengths and ends, after 10-15 minutes apply to rootsApplication time: 30 minutes ( 10 volumes) 30-45 minutes ( 20 volumes) 30-45 minutes ( 30 volumes) 30-45 minutes ( 40 volumes)