Understanding the difference between 2C, 3A, and 3B curl types in kids is essential for proper curly hair care, moisture balance, and frizz control. Curl pattern is determined by the shape of the hair follicle and internal keratin bond structure. Oval follicles produce wavy and loose curls (2C), while more elliptical follicles create defined spiral curls (3A) and tighter, more elastic ringlets (3B). As curl tightness increases, natural scalp oils (sebum) have a harder time traveling down...