what kind of developer should i use for dark hair
For 3 levels, use 40 Vol developer. For most cases of pre-lightening with lightener, use either 20 or 30 Vol developer. If you are toning we generally ...
For 3 levels, use 40 Vol developer. For most cases of pre-lightening with lightener, use either 20 or 30 Vol developer. If you are toning we generally ...
