What Is a 2C and 3A Hair Mix? A 2C and 3A hair mix means your head holds two curl patterns at once. Some sections fall into the 2C category — deep, defined waves that start to curl at the ends. Other sections cross into 3A territory — loose, springy curls with a clear S-shape … Continue reading 2C and 3A Hair Mix: How to Identify, Care For, and Style It