I did it that way for at least 3 years (with a comb, not a brush, tho). Sprayed it with some spray gel and combed once more. Never had a problem with the curl bouncing back again - I would wear it like that at least 5 days a week before I got my hair cut!
3a/some b, med/high porosity, med texture
My current HGs:
Co-wash: Suave Naturals Coconut, VO5 Strawberries & Cream
Conditioner: Darcy Botanicals pumpkin, LVPNG, Deva OneC
Leave-in: KCKT, Deva B'Leave In
Cremes: CIAB, pink Boots, Komaza coconut, FSG, CJ CCCC
Gels: BRHG, AO B5, LALSG
Check out my Fotki! http://public.fotki.com/wookiemouse/
CG since 2/07 and loving it!