New to curl labels, or finding that your hair has several different patterns? This guide helps you understand the 2A–4C shorthand and describe your waves, curls or coils without letting a number dictate your care.
The familiar 2A–4C system is a visual shorthand: type 2 generally describes waves, type 3 curls, and type 4 coils; A-to-C subdivisions indicate increasingly tight patterns within each broad family. It can help people describe what they see, but it is not a diagnosis, a complete description of hair, or a reliable way to choose a product or haircut on its own.
One person may have more than one pattern across their head. Density, strand thickness, porosity, length, damage and styling history also affect how hair behaves. A curl may look less defined after heat or chemical damage, or appear different when wet, stretched, product-coated or cut short. Even adjacent pattern categories can be hard to distinguish, and different charts use visual examples that are not precise scientific measurements.
Use pattern labels as a starting point for conversation: “my crown forms loose spirals, while my nape is tightly coiled” is often more helpful to a stylist than a single category. Discuss your routine, shrinkage, preferred volume and the way you want your hair to sit. Choose care based on the hair’s actual needs and scalp comfort rather than a number alone. Dermatologists likewise advise learning your hair type while choosing care suited to its condition and handling needs. AAD healthy hair tips
For a salon consultation covering waves, curls and coils, use the existing curls, coils and waves service page. No curl label is required to book or to ask for advice.