(Applied on Light Blonde - color remains the same and covers grey hair)
8N can be used on the follow colors
light warm reflects: 5N - 6N - 7N
dark tones: 5D - 7D - 8D - 5M - 7M - 5R - 7R - 8R - 7C
8N - Light Blonde with 5% grey hair
If grey hair is all over the head, you can use 7R, this will create highlights on the grey hair and Copper Blonde on the rest of the hair. On more than 5% you must use this formula.
8N - Light Blonde with 10% - 20% grey hair
Mix 25ml of 8N, 35ml of 7R, 60ml of glycol to get Copper Blonde.
8N - Light Blonde with 30% - 50% grey hair
Mix 3Oml of 8N, 30ml of 7R, 60ml of glycol to get Copper Blonde.
8N - Light Blonde with 60% - 100% grey hair
Mix 45ml of 8N, 15ml of 7R, 60ml of glycol to get Copper Blonde.
This formula will apply for 8N Light Blonde to be mixed with 7R and 8R (Light Copper Blonde) or 7D (Golden Blonde), 8D (Light Golden Blonde), 7M (Mahogany Blonde) and 7C (Ash Blonde).