Nailing down your curl type (or curl types) is easier said than done. On the 2A-4C curly hair chart, the number refers to curl families, while the letter points to how tightly wound your curls are within that. A leave-in product and a curl definer make up the standard routine, but both Amiel and Francois agree there are more factors to bringing out the best in your texture: Find more in-depth tips for styling every type of curl here.