I just got 6 of these, and I think they're good! I wrapped all my wet hair in them, put on the bonnet dryer, and sat under for half an hour or so. The curls I got weren't as clumped/nice as when I plop and air dry, but they were nice and bouncy, if a little more separated -- perfectly fine, and a good solution for the cold weather.
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3b, fine, medium density, normal porosity
Wash: Phytolisse and Shea 10-in-1
Rinse-out: CJ Deep Fix, Phytolisse, Shea 10-in-1
DT: CJ CCCC Lite
Leave-in: Phytokeratine, CCCCL
Styling: Phyto hair curling stuff or Deva Coconut Supercream (which may turn out to be a HG for me!)