I air dry. I get no crunch from this, I'm not sure how it would do with diffusing...and I lost my little "sock" that goes on the end of my dryer or I would test it out
pw: curls
3b/a
Cowash - No Poo, Suave Coconut
Conditioner - One Condition
Leave In - KCKT
Gel - KCCC at the moment