Heart and Triangle faces are among the pairs most commonly confused with each other, usually because one or two measurements land close together even though the overall proportions differ.
Heart Face Shape
Heart: Forehead and cheekbones are noticeably wider than the jaw; chin comes to a visible point. A heart-shaped face widens at the forehead and temples, narrows through the cheekbones, and tapers to a pointed or narrow chin — the inverse proportion of a triangle shape. Many heart faces also have a slight widow's peak, which reinforces the forehead's visual width.
Triangle Face Shape
Triangle: Jaw is the widest point; forehead is noticeably narrower than the jaw. Also called a pear shape, a triangle face is narrow through the forehead and temples and widens progressively down through the cheekbones to a broad jawline — the inverse of a heart shape. The jaw is typically the single widest measurement on the face.
The Key Difference
The key difference: A heart face has a jaw that "tapers inward significantly compared to the forehead," while a triangle face's jaw "the face's widest point, often strong or square." That single measurement — jaw width relative to forehead and cheekbones — is usually the fastest way to tell the two apart when they're otherwise close.
Why It Matters for Styling
Why it matters for styling: Heart faces are best served by balance the forehead-to-chin taper by adding volume or width at the jawline and softening or minimizing width at the forehead and temples, which brings the upper and lower face into closer visual proportion, while triangle faces need add width and volume at the forehead and temples while keeping the jaw area closer to the head, which brings the upper and lower face into better visual balance without hiding the jawline entirely — confirming which category you actually fall into before choosing a cut, frame, or beard style matters, since the two shapes' styling advice can point in different directions.