At my lst (first?) deva cut, she said I shouldn't need to return for 4-6 months. I guess it depends how your hair is behaving and looking. Since I no longer have regular layers, it should grow out nicely.

SF Bay Area, CA * "The Angel-Goddess-Guru of Haircoloring"
3b/c/a mix. medium texture, low porosity
My Motto: Strand Test! some hair pics
-- gone, but never forgotten.