welcome to nc.com!
first off knowing your hair properties are more important then curl type (3c, 2b,4a, ect.) knowing the properties will let you know which products is most likely to work better for your hair so you can avoid wasting time and money of things that may make your curls worst off.
this website is very helpful and you should check it out:
Live Curly Live Free - Home
Good luck and HTH!