Ash Gray 
Instruction Guide:
1. Ratio (1:1) mix 1 - 100ml colorant cream to 1 - 100ml oxidizing cream in a non metallic bowl.
2. Apply first 1/2-1 cm from the scalp and leave for 30 minutes, then apply the remaining area for 15 minute. A total of 45 minutes.
3. Do strand testing first; and if the hair change to the color you applied, rinse it with water.
RESULT
1. Always remember that some color is not achievable in first try &/ without bleaching process first.
2. The result may also depends on the condition &/ the process for using the item.