The heart brief in one frame: the brow carried full and low, real weight sitting under the widest forehead in the system.
Checked and updated October 2026
The ruling, up front: on a heart face, the brow is full and low, never thin. A wide forehead needs brow weight below it. Thinning unbalances you. The brow is the only weight the face's middle storey can carry, and this page is mostly a defence of it: the lightest maintenance pass in the series, because almost everything a tidy usually removes is something this face is keeping. This page is the Heart spoke of the Brow Decoder: it takes that hub's Heart row and works it in full, the three landmarks set for this face, the spec printed as a block, what to do at home, what to hand to a professional, and the one mistake that ruins it. If the tape has not confirmed the shape yet, start at the face-shape decoder.
On this page: the ruling decoded, the spec, the pencil test, home vs professional, the one mistake, questions.
The heart brow, decoded
The hub's map gives every face the same three landmarks and a different instruction between them. On this face, the forehead is the widest line and the jaw narrows to a defined chin, and the brow's instruction is the hub's Heart row: full and low, never thin. The four settings below are that row worked out in full. The landmarks themselves never move; they are the pencil test's, printed again below in this shape's settings.
Start point. The standard pencil line, applied conservatively: clear the bridge growth inside it and nothing beyond. A wide gap at the bridge is read by the eye as more forehead, and the forehead is the one measurement this face is already long on. The inner brow stays close to full.
High point. A low plateau above the outer edge of the iris. Low is this row's second word and it is a position, not a mood: the brow sits down on the brow bone, as close to the eye line as it naturally grows, so its weight lands in the face's middle storey rather than up near the hairline, where it would join the forehead's side of the argument.
End point and tail. Full standard length, the tail running low and level to the end point. Length at brow level is horizontal presence in the storey that needs it, so the tail is kept entire; and it is never lifted, because lift stacks presence upward, toward the widest line the face owns.
Thickness. Full, emphasised. Where other rows trim the length and keep the body, this row's body is the strategy: density at the brow is the counterweight the silhouette is missing, and the maintenance pass on this shape should be the lightest in the series, length and bridge only.
The heart brow spec
The whole ruling as one block, compiled from the hub's published system: the face signature from the face-shape decoder, the landmarks from the pencil test, and this row's settings between them. Screenshot it before a first professional tidy; it is the brief.
| Item | The heart setting |
|---|---|
| Face signature | Forehead the widest line; jaw narrowing to a defined chin |
| The ruling | Full and low, never thin |
| Start point | The standard line, with the bridge kept close to full. A wide-cleared gap adds to the forehead's width |
| High point | A low plateau above the outer edge of the iris. The whole brow sits low on the brow bone, weighting the face's lower storey |
| End point | The standard line, full length kept. Length at the brow is width where this face can use it |
| Fullness | Full, and the fullness is the point of the row. Never thin, in the hub's words |
| Tail | Low and level to the end point. No lift: height is the forehead's department already |
| Cadence | Five minutes every two to three weeks: bridge, strays, comb-and-trim length, stop early |
The pencil test, set for a heart face
The hub's ten-second test, with this shape's settings applied. A pencil or a toothbrush handle, a mirror, and hair pushed back. Start: the pencil held vertically against the side of the nose; on this face, clear inside the line conservatively, and leave the inner brow close to full. High point: look straight ahead and find the outer edge of the iris; the brow's highest point sits roughly above it, and here it is a low plateau above the outer edge of the iris, the brow sitting down on the brow bone. End: angle the pencil from the nose past the outer corner of the eye; where it crosses is the end, and here you keep the full length, the tail running low and level. Mark the three points if it helps. Everything outside the lines is a stray, and everything inside them is your brow.
Say this to your threader
"Full and low: clear the bridge, trim the length, and take nothing off the body of the brow." One sentence, and it carries the whole ruling: the landmarks, the weight, and the thing not to do. A professional who argues with it is answering a different face's question.
At home, and what to leave to a professional
This is the most home-friendly row in the series, because the correct pass is the smallest: bridge, length, the few strays under the tail, and stop. A professional visit is for a first tidy only, and it carries the highest overdoing risk of any shape here, because a threader's default tidy removes weight this face cannot spare. Say the sentence in the box, and check the result for the one thing that matters: the brow should look exactly as full as when you sat down.
| Job | Where it belongs |
|---|---|
| The bridge, the strays above and below, the comb-and-trim length pass | At home, tweezers and small scissors, after a shower |
| A first proper tidy on a never-tidied brow, and this shape's one adjustment | A professional, once, with the sentence in the box above |
| Waxing, and any redrawn bottom edge | Nowhere. The hub's ruling stands on this page too: hard edges read as done |
The one mistake: thinning
The hub's rule for this row is the bluntest in the map: full and low, never thin, because a wide forehead needs brow weight below it and thinning unbalances you. Read the silhouette and it explains itself. The forehead is the widest line of the face, the chin the narrowest, and the brow is the only feature that can put weight in the middle storey between them. A thinned brow abdicates that job: the portrait goes top-heavy, all forehead above and a point below, with nothing at eye level to hold the two together. Every other error on this page is a variation of taking weight away. The whole discipline of the heart brow is keeping it.
The runners-up, shared with every shape in the series. The stencil edge: a brow with a ruler-straight bottom line did not grow that way, and every eye in the room knows it. And the matching pair: brows are siblings, not twins, and chasing perfect symmetry means removing hair until both are thin, which no row in the hub's map ever asked for. On this shape both errors compound the main one, because all three spend the same currency: the brow's natural weight and line.
Questions, answered
What is the best eyebrow shape for a heart face?
The brow the hub's map assigns to this face: full and low, never thin. A wide forehead needs brow weight below it. Thinning unbalances you. The start, high point and end all come from the standard pencil test, set out on this page; what changes by shape is never the landmarks, it is what the brow is asked to do between them.
Why do thin brows unbalance a heart-shaped face?
Because of what is above and below them. The forehead is the widest line of a heart face and the chin is a defined point, so the brow is the only feature positioned to put weight in the middle of the face. Thin it, and the portrait splits into a wide top and a narrow bottom with nothing holding eye level. The hub's rule for the row is three words of instruction and one of warning: full and low, never thin.
How do I find where my eyebrows should start and end?
With the pencil test the hub prints, set for this face. Hold a pencil vertically against the side of your nose for the start: clear inside the line conservatively, and leave the inner brow close to full. The high point sits a low plateau above the outer edge of the iris, the brow sitting down on the brow bone. Then angle the pencil from the nose past the outer corner of the eye for the end: the full length, the tail running low and level. Ten seconds a side, and everything outside the three points is a stray.
Should a heart face keep its brows low or raise them?
Low, as low as they naturally grow. A low brow puts its weight in the face's middle storey, directly under the wide forehead that needs balancing, and stays clear of the forehead's own territory. A raised or lifted brow climbs toward the widest line of the face and joins it, which is the opposite of the job. Trim the length, clear the bridge, and leave the brow sitting where it grew.
Should I tweeze, thread or wax my eyebrows?
Tweeze the strays at home, and thread for a proper tidy. Tweezing removes one hair at a time, which is the level of control every ruling in this series needs. A professional visit on this shape is a first tidy only, and it carries the highest overdoing risk in the series: say the sentence in the box and check the fullness before you pay. Waxing is the one to avoid on any man's brow, and doubly on this one: it takes a block of hair at once and draws a hard edge, and hard edges are how natural brows turn into stencils.
How often should I tidy my eyebrows?
Every two to three weeks, in the same pass as a haircut or a beard trim, and the pass stays the lightest in the series every time: bridge, length, a few strays, stop. Brow hair grows slower than scalp hair, so the cadence stays light: five minutes with tweezers and small scissors after a shower, and stop early, because the moment the brow looks deliberate you have gone two hairs too far.
Next
This page is one spoke of a system. The hub is the Brow Decoder, with the full face-shape map and the honest table of methods. The face underneath this brow gets its own full treatment on the heart face-shape page: haircuts, frames, beards and collars for the same outline. And the sibling spoke worth reading next is the triangle brow, your exact inverse, jaw where your forehead is, running the same full-brow law from the other end. For the data every page in this series rests on, see our methodology.