Your hair type looks to be 3c. That's what I am and it curls somewhat the same. I'm still trying to figure out the porosity thing. I'm new around here too. There's a forum regarding porosity that you may want to search thru to get and idea.
Curl pattern (2, 3, 4) doesn't matter as much as texture, density, porosity and elasticity. LiveCurlyLiveFree.com is a great place to start. It has the information on all of those important hair properties. It's a lot of reading, but once you understand a little about it, you can choose the best products for your hair! Good luck and I hope that helps.