Triangular face
A face shape where the lower half narrows to a point, resembling an inverted triangle.
This face shape features a lower section that tapers significantly, creating a downward-pointing triangular appearance. It is a natural variation often seen in specific genetic conditions such as Osteogenesis Imperfecta and Mulibrey nanism.
- The lower half of the face tapers to a narrow point.
- Commonly associated with Osteogenesis Imperfecta.
- Part of the facial pattern in Mulibrey nanism.
- Includes features like sunken cheeks and down-turned mouths.
What it is
A triangular face is defined by a lower section that becomes progressively thinner, giving the impression of a triangle pointing downwards. This structure is not necessarily linked to illness but appears frequently in people with certain genetic traits. The shape may also include broader features like prominent cheekbones, sunken cheeks, and a down-turned mouth. These characteristics form a specific facial pattern found in various medical contexts.
The science
This face shape is commonly observed in individuals with Osteogenesis Imperfecta. It also forms part of a broader set of features seen in Mulibrey nanism, which includes hypoplasia and orbital hypertelorism. Similar patterns have been recorded in cases of Russell-Silver syndrome and Turner syndrome. The appearance results from underlying skeletal and tissue development rather than external factors.
Questions people ask about Triangular face
What defines a triangular face shape?
It is characterised by a lower face that narrows significantly towards the chin, creating a downward-pointing triangular silhouette. This structure is a natural variation often linked to specific genetic conditions.
Is this face shape caused by disease?
Not necessarily. While it is common in people with Osteogenesis Imperfecta, it can also appear as part of other genetic profiles like Mulibrey nanism or Turner syndrome without implying active illness.
What other features accompany this shape?
It may include prominent zygomatic arches, sunken cheeks, orbital hypertelorism, and a down-turned mouth. Brownish facial discolouration can occasionally occur alongside these structural traits.
Good reading and sources
The facts on this page come from the Wikipedia article "Triangular face", written by its contributors and used under the CC BY-SA 4.0 licence, and from its Wikidata record (CC0). EveryFaceShape rewrote the text in its own words, with AI assistance, and compares every page with the article to make sure no passage is copied. It may be reused under the same CC BY-SA 4.0 licence with a link back.
It may contain mistakes, and figures change over time. Nothing here is investment or buying advice. If something is wrong, tell us. Last refreshed 2026-11-15.
