Whats the difference between 3c and 4a hair? The size of the curl?

That would be my guess.

If there would be a new category what is the difference between the 3c and the 3d?
Originally Posted by Cerendipity
Curl size?

IDK, hair typing seems kinda irrelevant to/for me. If someone asks for our opinion on here I'll sometimes say what I think their curl type is. But it really doesn't matter to me. I've known since I was young that some products I can use in my hair but others I can't. It's all trial and error. Typing really isn't important to me. We're all curly, right? Why does the curl size matter?

On my EVO