Why straight, wavy, curly, and coily hair interact differently with the same face-shape styling principles, and how to adjust general guidance for your texture.
Why Texture Matters as Much as Shape
Face-shape guidance describes where volume should sit, but hair texture determines how easily and predictably a cut holds volume in that zone. Straight hair falls flat without product or blow-drying; curly and coily hair naturally holds more volume and shrinkage, which changes how a cut's 'as cut' length translates to its 'as worn' shape.
Straight Hair
Straight hair shows blunt lines and cut mistakes more clearly and requires the most product or heat styling to hold volume in a specific zone (like a pompadour's height or a lob's ends), but takes color and layering lines the most predictably of any texture.
Wavy Hair
Wavy hair holds moderate natural volume and benefits from cuts that work with rather than against the wave pattern — face-framing layers and curtain bangs in particular tend to fall more naturally into place on wavy hair than on straight hair, requiring less daily styling effort.
Curly and Coily Hair
Curly and coily hair should generally be cut dry or with curl-specific techniques (like the DevaCut method) because curl shrinkage means wet-cut length doesn't predict worn length reliably — a length that looks right wet can shrink up significantly once dry. Volume at the crown and sides is often already present naturally, which can shift which face-shape recommendations apply (a style 'recommended for added volume' may need less deliberate volume-building on curly hair, which already provides it).
Adjusting General Guidance
When a face-shape guide on this site recommends a style for 'added volume' in a specific zone, curly and coily-haired readers should weigh that against the fact that their texture may already supply comparable volume naturally — worth discussing directly with a stylist experienced in your specific texture rather than following shape guidance in isolation.