How to Blonde Hair into Brown Hair Using a Filling Technique

I show you how I take blonde hair and transition it into brown hair using a filling technique, all while keeping some blonde highlights throughout. This was done in two easy steps.
Formula using all Kenta Color:
Fill formula Demi 8G/7NB 9vol
Highlight formula Demi 6N 9vol into Clear with 9vol
Between foils Demi 6N 9vol
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