Honey Blonde has the power to lift two shades of the natural hair color, for example if your hair is a 7N Blonde, by using 9N your color will be two shades lighter with a warm gold tone. On a color base of 5N you will get a 7N result with a gold tone. For best results to cover grey hair with 9N, it is essential to mix it with 8N.
To achieve a 7D - Golden Blonde, 8D - Light Golden Blonde, 7M - Mahogany Blonde or 7R -Copper Blonde, 8R - Light Copper Blonde or 7C - Ash Blonde, you must mix as follows:
9N - Honey Blonde with 5% grey hair to achieve 7M - Mahogany Blonde
If 5% of grey hair is all over the head, you can use 7M and get very nice highlights on grey hair and light mahogany blonde on the rest.
9N - Honey Blonde with 10% - 20% of grey hair
Mix 1Oml of 8N, 15ml of 9N, 35ml of 7M, 60ml of glycol to get a Light Mahogany Blonde.
9N - Honey Blonde with 30% - 50% of grey hair
Mix 20ml of 8N, 1Oml of 9N, 3Oml of 7M, 60ml of glycol to get a Light Mahogany Blonde.
9N - Honey Blonde with 60% - 100% of grey hair
Mix 45ml of 8N, 15ml of 7M, 60ml of glycol to get a Light Mahogany Blonde.
This formula will apply for 9N Honey Blonde to be mixed with 7M as above or 7D (Golden Blonde), 8D (Light Golden Blonde), 7R (Copper Blonde), 8R (Light Copper Blonde) and 7C (Ash Blonde).