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The Face Shape Detector
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Makeup for Face Shape

Place contour, blush, highlight and brow shape by proportion, using the rule that shadow pulls a region back and reflected light pushes it forward, by shape.

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    Sections on this page

  • 14

    Free tools on the site

  • 7

    Face shapes covered

Makeup for face shape (facial contouring by proportion) is applied optics rather than decoration. A darker shade laid on skin absorbs light and makes that area sit back. A lighter shade reflects light and brings that area forward. Every contour map ever printed is those two facts arranged against one outline.

The proportions doing the arranging are the four figures this site measures: face length from hairline to chin base, plus forehead, cheekbone and jaw widths across their widest points. A round outline holds length and cheekbone width within a few percent. A square keeps its three widths inside about 5 percent above a hard corner. A diamond peaks at the cheekbones between a narrow brow and a narrow chin. Each asks for shadow somewhere different.

Four tools carry the system. Contour sets shadow where the outline should pull in. Highlight sets reflection where it should push out. Blush places color at a height that raises or flattens the mid-face. Brow shape redraws the top line of the face, changing apparent forehead width more than any powder does.

Google MediaPipe Face Mesh gives you those figures from 468 landmark points, and the face shapes reference describes every category the map below is built on.

What follows: the shadow and light principle with a placement grid, then one section per outline covering contour, blush, highlight and brow together, then why the light you apply makeup in decides more than the product you apply.

Shadow recedes, highlight advances

Shadow is the working half of contouring. A cool-toned matte shade two steps deeper than your skin, blended with no visible edge, reads as a hollow, because that is what a hollow does to light. A warm or shimmering shade in the same place reads as a smudge.

Highlight does the reverse and needs less of it. One or two reflective points hold more visual weight than a broad sweep, and a broad sweep of shimmer across a wide area widens it rather than lifting it.

So placement follows from a single question: which region do you want to read narrower, and which fuller? Answer that and the map writes itself.

OutlineContour goesHighlight goes
OvalLight touch under the cheekbone onlyTop of the cheekbone, cupid's bow
RoundCheekbone hollow, temples, jaw sidesCenter forehead, chin center, under the eye
SquareJaw corners and the outer foreheadCenter forehead, chin, mid cheekbone
HeartTemples and outer forehead, tip of the chinAlong the jaw, lower cheek
DiamondWidest cheekbone point onlyCenter forehead, chin, brow edges
OblongHairline at the top, base of the chinAcross the cheekbones, ear to ear
TriangleJaw corners, blended back toward the earTemples, upper cheekbone, center forehead

Oval: restraint, then a single hollow

Oval proportions need correcting nowhere, so the risk is doing too much. A face already tapering gently from cheekbone to chin gains nothing from a heavy sculpt.

Keep contour to a soft shade under the cheekbone, blended upward, stopping short of the mouth corner. Blush sits on the apple and sweeps at a slight angle toward the temple. Highlight the top of the cheekbone and the cupid's bow, nothing more.

Brows want a soft natural arch that follows the bone. A dramatic peak introduces an angle the rest of this outline does not carry. Details on the proportion at the oval page.

Round: building a vertical through the middle

Round faces gain from anything vertical. Contour goes into the hollow beneath the cheekbone, drawn from the ear inward and stopping above the mouth corner, then a light pass down each temple and out along the jaw.

Blush belongs high on the cheekbone, swept diagonally toward the temple, never on the apple, since a circle of color on a circle repeats what is there.

Highlight down a central strip: forehead center, bridge of the nose, chin center. That vertical does more than the contour beside it. Brows take a defined arch with a peak sitting over the outer iris, which lifts the upper third. The round page has the ratios.

Square: curving what the bone squares off

Square outlines carry a corner where the jaw turns upward, and shadow placed on that corner is the fastest way to round it. Work a soft shade at both corners and along the two outer forehead edges, blending in a curve rather than a straight line.

Blush goes rounded, on the apple, blended inward toward the nose. A curved shape counteracts an angular one.

Highlight the mid-forehead, the chin and the middle of each cheekbone, keeping reflection inside the outline rather than at the edges. Brows should arch softly with a rounded peak. A flat brow drawn straight across restates the angle you are working against. See the square page.

Heart: moving weight down the face

Heart faces run widest at the brow and finish on a point, so shadow belongs up top. Take contour across the temples and outer forehead, close to the hairline, and add a little under the chin tip to blunt it.

Blush sits slightly lower than usual, on the outer cheek, drawn in a soft C from the cheekbone down toward the jaw. That lowers the visual center of the face.

Highlight along the jaw and across the lower cheek, which is where the outline needs apparent width. Brows should stay rounded and stop short of a long tail, since a long brow extends an already wide upper third. The heart page covers the taper.

Diamond: softening the widest point

Diamond proportions place the widest measurement on the cheekbone itself, so this is the one outline where contour goes on the bone rather than under it. Blend a shade over the outermost point of each cheekbone and stop there.

Blush should sit forward and low, closer to the nose than the ear, so color does not extend the width you just reduced.

Highlight across the brow, at the temples and on the chin, filling the two narrow ends. Brows want a straighter shape with a fuller front and a slightly extended tail, because a longer horizontal brow widens the apparent forehead. More at the diamond page.

Oblong: cutting the vertical run short

Oblong faces read long, so shadow goes on the two ends of the vertical. A band of contour along the top hairline and a second at the base of the chin remove apparent height at both extremes.

Blush runs horizontally across the cheeks, wider than it is tall, extending toward the ear. That single stroke does more here than any other placement.

Highlight across the cheekbones from side to side, and keep it off the mid-forehead, since a bright vertical strip extends the run you are trying to shorten. Brows should sit flat, close to horizontal, with a long tail. A high arch adds height. See the oblong page.

Triangle: lifting the upper third

Triangle outlines carry the jaw as the widest line, so shadow starts there. Sweep contour along both jaw corners, blending back toward the earlobe and downward under the bone rather than across the cheek.

Blush belongs on the upper cheek, brushed upward toward the temple, which drags attention above the mandible.

Highlight the temples, the top of each cheekbone and a point mid-forehead, so light collects in the third that measures narrowest. Brows can carry more weight here than on any other outline: fuller, slightly extended, with a gentle angle. A thin short brow leaves the upper face outmatched by the lower. Ratios at the triangle page.

Why lighting outranks the product

Lighting decides how every placement above reads, and most makeup gets applied under the worst available conditions. An overhead bathroom bulb already casts shadow under the cheekbone and brow, so contour applied there looks correct in the mirror and heavy outdoors.

Front-facing light does the opposite. It erases existing shadow, so people over-apply and then read carved in daylight.

Two habits fix it. Apply near a window with light arriving from the front and slightly above, which approximates most rooms you walk into. Then check the result in a second light source, ideally one daylight and one artificial. Flash flattens depth and exaggerates shimmer, so a face built for a camera is not the face built for a table by a window. The color analysis tool settles which family of shades sits closest to your skin.

Facial contouring by proportion, then, runs on two facts about light. Shadow pulls a region back and reflection pushes it forward, which is why the placement grid answers one question about narrowing and filling. Oval asked for restraint, round for a central vertical, square for curves against a corner, heart for weight moved downward, diamond for the widest point softened, oblong for a shortened run, and triangle for a lifted upper third. Brow shape carried more of each answer than the powders did, and the light you apply in decides whether any of it reads correctly. Measure with the detector first, then work the row that matches.

Start with your face shape

Most styling decisions follow from one measurement. Run the detector, then work outward from the result.

Your photo never leaves your device.