I've been getting mine highlighted lately, and my stylist concentrates most of that on my canopy/top layer--its definitely less curly/wavy than the hair underneath, but the canopy tends to be more fried anyway, so its hard for me to say if its because of the coloring or not (I would guess it doesn't help, though!)
2b/2c--Dry climate
Medium texture/Normal Elasticity/Normal Porosity
High density

Current Routine:
Cleanser/Co-wash: VO5/AIA Coconut Co-wash
RO: GVPCB
LI: Yes to Carrots Pampering Conditioner

Super Soaker
Styler: Homemade FSG with a small bit of coconut oil and LALSG
DT/PT: CJCR, GVP Hair Reconstructor or Ion Reconstructor