The complete guide to face shapes

A face shape is the visible outline of your head, defined by the relative widths of the forehead, cheekbones, and jaw, together with the overall length of the face. The shape is set by your underlying bone structure (skull, cheekbones, jawline) and modified by the soft-tissue layer (fat pads, musculature) and by the hairline.

Modern styling literature uses seven categories. Oval is the most common shape and considered the most stylistically flexible. Round is widest at the cheeks with soft lines. Square has a strong straight jaw, often as wide as the forehead. Heart is wider at the temples and narrower at the chin. Oblong is longer than wide with parallel sides. Diamond is widest at the cheekbones with a narrow forehead and chin. Triangle (sometimes called pear) is widest at the jaw and narrower at the forehead.

The categories are simplifications of a continuum. Most faces are a primary shape with secondary features (an oval with strong jaw, a round with heart-shaped hairline). Knowing your dominant shape and the secondary features is more useful than picking a single category in isolation.

Stand in front of a mirror in even daylight with your hair pulled back. Take three measurements: the width of your forehead at its widest point, the width of your cheekbones, and the width of your jawline (measured from one corner of the jaw to the other, not the chin). Then measure the length of your face from hairline to chin.

The ratios diagnose the shape. Length significantly greater than width with parallel sides reads oblong. Roughly equal length and width with soft curves reads round. Equal length and width with a strong straight jaw reads square. Forehead wider than the jaw with a pointed chin reads heart. Cheekbones widest with narrower forehead and chin reads diamond. Jaw widest with narrower forehead reads triangle. Anything close to equal proportions across all three with a slightly longer length reads oval.

If you cannot tell which shape applies (a common outcome), the Hairstyle Analysis tool works it out from a single selfie and names the closest shape. The tool also renders eight specific haircuts on your actual face, so you can see which cuts flatter the shape it identifies.

Oval faces wear nearly any haircut well, which is why the shape is described as the most flexible. The neutral starting point lets you choose for personal preference rather than for structural compensation. Long layers, sleek bobs, fringes, pixies, and curtain bangs all flatter.

Round faces benefit from cuts that add visual length: long layers below the jaw, side parts (rather than centre parts), elevated crown volume, and pieces that fall in soft vertical lines beside the face. Avoid centre-parted blunt bobs at chin level, which echo the round outline and shorten the face further.

Square faces are flattered by soft layers around the jaw to break the straight line, by side-swept fringes, and by waves rather than blunt cuts. Avoid hard geometric blunt bobs cut at the jaw, which double the square jaw line.

Heart faces work with cuts that add width at the jaw to balance the wider forehead: chin-length bobs, layered lobs with movement near the jawline, side-swept fringes that soften the forehead. Avoid pixies that expose the temples fully.

Oblong faces benefit from horizontal volume (waves, layers around the cheekbones) and from cuts that shorten the visual face length: blunt fringes, long-on-top short cuts, side parts. Avoid centre parts on long straight hair, which extend the vertical line further.

Diamond faces are flattered by cuts that add width at the forehead and jaw: side-swept fringes, layered cuts with movement at the temples and chin level, lobs that hit just below the jaw. Avoid pulling all the volume to the crown.

Triangle faces benefit from volume at the crown and temples to balance the wider jaw: pixies, layered bobs with lift at the top, side-swept long fringes. Avoid sleek pulled-back styles that emphasize the jaw width.

Modern attractiveness research has not identified a single most attractive face shape that wins across cultures. The 2025 Scientific Reports averageness study by Stephen et al. found that proximity to the population average predicted attractiveness ratings more reliably than any single feature, which favours oval shapes (closest to the population mean) without ruling out the others.

Heart-shaped faces score highly in many Western surveys because the wider forehead and narrower chin echo a youthful skull shape. Diamond faces often photograph as striking rather than conventionally pretty, and editorial casting frequently favours diamond and inverted-triangle faces for their strong cheekbone read. Round faces score well when styled to their strengths.

The more useful finding is that the same face can shift one to 1.5 standard deviations in attractiveness rating depending on hairstyle, framing, lighting, and grooming. Face shape sets the room; styling decides what happens in it. This is why the Hairstyle Analysis tool focuses on showing you what specific cuts look like on your face rather than scoring your face for attractiveness.

The most common mistake is photographing from below or from too close. A phone selfie at arm's length distorts proportions, making every face read slightly more round than it actually is. The accurate read needs a straight-on photo taken from about three metres away at eye level, or a mirror photo at arm-and-a-half length.

The second common mistake is reading the shape with hair down. Hair coverage at the temples or jaw distorts the visible outline. The reading is more accurate with hair pulled back into a tight low ponytail, or with the photo cropped to exclude the hair entirely.

The third is mistaking soft tissue for bone structure. A round-cheeked person on a thin frame might have a square underlying skull; a thin person with a round skull might still read round. The shape is determined by the bones plus soft tissue together. If your weight changes significantly, the visible shape can change without the underlying skull changing.