Cindy Zhu.
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Everyday AI ChatGPT

The haircut that actually suits your face

Hey, it's Cindy 🌱 One clear selfie, five prompts, and you walk into the salon knowing what you want instead of pointing at a screenshot and hoping.
btw the waitlist for AI System Club is now open! If you're keen on using AI to automate your content, video editing, job search, business or build AI agents, feel free to sign up (only if you want to hehe). Ps. the waitlist gets first dibs:)
Read this before you trust the answer. A face-shape read is a styling opinion, not a measurement. The model is pattern-matching your proportions against how stylists usually categorise faces, and it will happily give you a confident answer from a bad photo. Lighting and angle change the result more than anything else, which is why step one is so fussy. Treat it as a well-informed starting point to discuss with your stylist, not a verdict. And your stylist can see your hair's density, growth pattern and cowlicks, which no photo shows.
step one

Take the one photo that makes this work

Almost every bad result traces back to the photo. Ninety seconds here saves you the whole exercise.

Hair fully back Off your forehead and away from your jaw, headband or tight ponytail. Your hairline and jaw are the two things it needs to see, and hair covering either is what produces a wrong shape.
Straight on, chin level Camera at eye height, face square to the lens. Tilting your chin down lengthens your face and shooting from above shortens it, so a tilt alone can flip you from round to oval.
Natural light, plain wall Face a window, no overhead downlights. Hard top light carves shadows under your cheekbones and jaw, and the model reads those shadows as bone structure you don't have.
Neutral face, no filters No smiling, which changes your cheek width, and no beauty filters, which quietly reshape your jaw. Take three and pick the flattest, most boring one.

step two

Ask for the shape and the cuts in one go

Don't ask "what's my face shape" on its own. You want the shape, the cuts, the ones to avoid, and the reasoning, because the reasoning is what you actually repeat to your stylist.

💇‍♀️ the main prompt
Here's a straight-on photo of my face with my hair pulled back.

1. Name my face shape and tell me which specific proportions led you there (forehead width vs cheekbone width vs jaw width, and face length vs width). If two shapes are close, say so rather than forcing one.
2. Give me 3 haircuts that flatter these proportions. For each: the name a stylist would recognise, what it does for my face, and roughly what length it needs to sit at.
3. Give me 2 cuts to avoid and the specific reason each one works against my proportions.
4. Tell me how confident you are, and what about this photo limits your read.

Be honest rather than flattering. If the photo isn't good enough to judge, tell me what to reshoot.
Point 4 is the one people skip and it's the most useful line in the prompt. It's what separates "you have an oval face" stated with total confidence from "your jaw is partly in shadow, so I'm reading between oval and heart, reshoot facing a window."

step three

Pressure-test the answer before you book

The first answer is usually agreeable. One follow-up gets you the honest version.

🧠 the second-opinion prompt
Now argue against yourself. If a stylist disagreed with your face-shape read, what would they say and what would they point to in the photo? Which of your 3 recommendations is the weakest and why? If I have fine hair, a cowlick at my hairline, or I want to spend under 10 minutes a day on it, which of these stops working?

This matters because the standard advice assumes a haircut only has to suit your face. In practice it also has to survive your hair type and the amount of effort you'll genuinely put in on a Tuesday morning. A cut that needs a round brush and fifteen minutes is the wrong cut if you own neither.


step four

Reuse the same photo for everything else

You already uploaded a clean, well-lit, straight-on photo. That's the expensive part. Keep the chat open and keep asking.

Brow shape Ask which brow shape balances your proportions and where the arch should sit relative to your eye. Bring this to your brow appointment, it's the same conversation as the haircut.
Glasses frames Ask for frame shapes and widths that contrast your face shape, plus the ones that will disappear against it. Ask for the frame width relative to your face width.
Earring scale Ask what length and scale suits your jaw and neck. Small detail, but it's the reason some earrings look right on you and identical ones look off.
Colour undertone Ask it to read your undertone as warm, cool or neutral, and to name the caveats. Undertone is the least reliable of these from a photo, so treat it as a hint.
🌱 the follow-up stack
Using the same photo, and staying honest about your confidence each time:

1. What brow shape and arch position balances my features?
2. What glasses frame shapes suit me, and which ones will vanish against my face? Give me a frame width to look for.
3. What earring length and scale flatters my jaw and neck?
4. Read my undertone (warm, cool or neutral), tell me which colours near my face lift me and which drain me, and tell me how much the lighting in this photo is affecting that call.
Undertone is the weakest of the four. Colour reads shift with your screen, your camera's white balance and the light you shot in. If it matters to you, shoot in daylight against a white wall, ask twice on different photos, and see whether you get the same answer. If you don't, it's the lighting talking.

step five

See the glasses before you buy them

For frames specifically, don't stop at a description. Virtual try-on puts the actual shape on your actual face, which catches the gap between "rectangular frames suit you" and how a given pair really sits.

YouCam Makeup Free glasses and makeup try-on on your own face, iOS and Android. Good for judging frame width and how a shape reads on you.
The retailer's own try-on Most large eyewear sites now have virtual try-on built in. Use it on the exact model you're considering, since fit varies between frames that look identical on paper.

step six

Walk into the salon with the right thing

Stylists don't want your face-shape theory. They want to see the cut. Turn the answer into something useful at the chair.

  1. Screenshot the three cuts and search each name for real reference photos on people with hair like yours, not the model shot.
  2. Bring two or three photos, not one, ideally including one you don't like, so your stylist can see the boundary of what you want.
  3. Say the reasoning out loud, for example "I'm trying to add width at my cheekbones and keep length past my jaw." That sentence is worth more than any photo.
  4. Ask them directly whether they agree. They're looking at your density, growth pattern and cowlicks in person. If they push back, they're probably right.
The real win here isn't that AI knows your face shape. It's that you arrive with vocabulary. Most bad haircuts come from not being able to describe what you want, and this gives you the words, the references and the reasoning in about ten minutes.
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