Formula A: BLONDOR Multi-Blonde Powder + 30-volume developer Formula B: ILLUMINA 7.81 + 7 (1:1) + 6-volume developer Formula C: ILLUMINA 10 + 13-volume developer Application 1. Apply full head highlights using Formula A. Allow the color to sit for 40 minutes, then rinse. 2. Apply Formula B to the roots. 3. Apply Formula C to roots and ends, allowing the color to process for 8 minutes. 4. Shampoo, and apply a conditioning mask to the hair. Then rinse, dry and style as desired.