When wet, the Z-shaped kinks and S-shaped coils of 4B hair can be spotted. However, without the proper product regimen, frizz can quickly overcome any natural curl definition. Turn to light gels and styling butters to twist hair damp. Then, release the style for a more defined look.
Celebrity examples: Solange Knowles, Janelle Monáe
Product recommendations: Product recommendations: Only Curls Hydrating Curl Creme (£16)