Keratin and color fade
Has anyone experienced color fading on dyed hair after a keratin treatment?
I don't get it, I have been dying my hair blue black since 2009 (natural color is black/very dark brown) which should be very stable.
My hair comes out a tone lighter every time I do BKT and gets redish highlights even if I have it dyed 3 days before treatment.
Why is this happening? I am using Qod max Original
Has anyone else the same problem? Is there any ways to prevent fading?
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