What Is Double Process?
Literally Everything You Could Ever Want to Know About Double Process Hair Dye
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The colour is projected to last for about eight weeks. That sounds like a lot of maintenance, and it is, but I prefer to think about it in the bigger picture.
I'll need a touch-up every two months, or six times a year. Basically, if I cut down on my 12 a.m. ill-advised online shopping binges, I can afford my new 'do and keep on flipping my hair.