Beard styles for a round face

A round face is about as wide as it is long, with full cheeks as the widest point and a jaw that curves into the chin without a clear corner. The outline reads soft and short. A beard can answer both problems at once: length at the chin makes the face read longer, and a crisp neckline gives the lower face the edge the jaw lacks. It cannot change the mandible underneath, only the outline the eye sees.

So the job is the reverse of the one on a square face, where a beard softens corners, and stronger than on an oval face, where almost any beard keeps the balance. Every choice below comes from one rule: add length below the mouth, take width away from the cheeks. The beard style tool gives the same advice for a round reading.

• Goatee. Hair only on the chin, cheeks clean. It puts all the visual weight on the vertical centre line and is the simplest way to add length. It also works when the cheeks grow thin.
• Van Dyke. A pointed chin beard with a separate moustache. The point lengthens the chin and the gap at the cheeks keeps the sides narrow.
• Short boxed beard ending in a point. Full coverage for men who prefer a whole beard: sides kept tight, the chin left longer and trimmed to a soft point rather than a flat bottom.
• Anchor or extended goatee. A chin beard that follows the jawline a little way toward the ears, which adds a hint of jaw edge without filling the cheeks.

This is barbering convention, not a research finding. There are no trials of beard styles by face shape; the advice follows the same composition that tells a round face to take height on top in the hairstyles for a round face guide.

The cheek line matters more on a round face than on most. Take it slightly lower than where the hair naturally stops, and angle it downward toward the corners of the mouth, so the beard narrows as it rises. A high, horizontal cheek line draws a band across the widest part of the face.

The neckline should be crisp and sit about a finger's width above the Adam's apple, following the crease under the jaw. On a round face there is often softness under the chin, and the temptation is to let the beard run down the neck to hide it. That blurs the jaw rather than defining it. A clean line at the crease creates the edge; anything below it reads as neck. Where fullness under the chin is the real issue, submental fat explains what changes it and what does not. The eyebrows, beard and the perceived jaw article shows how the neckline moves the perceived jaw.

A round face often has a jaw that reads narrow against full cheeks, and when the tool reads it that way it says a beard would add structure: width and definition at the lower face that the bone does not give. If your jaw reads wider and your chin fuller than typical, clean-shaven or stubble suits you too, and a long beard would hide that. If both read close to typical, beard or no beard both work.

Stubble on a round face works best when it is kept shorter on the cheeks than on the chin, which a trimmer with two guard lengths does easily. Even stubble everywhere adds shadow but not length.

Round faces are lucky with patchy growth: the styles that suit the shape need little or no cheek hair. If the cheeks fill slowly, a goatee or Van Dyke is not a compromise but the recommended style. If the chin is the thin part, keep everything as short stubble, still slightly longer at the chin, until it fills in.

Frames do the same job at eye level. Angular frames add the corners a round face lacks, and the glasses for a round face guide lists which ones. A pointed beard, height on top and angular frames together lengthen the face from three directions.