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How to write captions that make people stop scrolling

You spent forty minutes getting the photo right. You picked the shot, cropped it twice, agonised over whether the light was too yellow. Then you got to the caption box, typed "New week, new specials! 🙌", and hit post.

That's where most local businesses lose the room. The photo stops the thumb for about a quarter of a second. The caption is what turns that quarter-second into a read, a save, a DM, or someone actually walking through your door on Saturday.

Here's the thing worth sitting with: on a phone, your caption shows roughly one line before it collapses into "... more". Everything you wrote after that only exists if the first line earned the tap. So that's where we'll start.

The first line does 90% of the work

Treat the opening line like a headline, because that's exactly what it is. It has one job — make the next line feel necessary.

Most captions fail here in the same three ways:

  • Starting with a greeting. "Hi everyone!" tells the reader nothing and burns the only line you had.
  • Starting with the announcement. "We're excited to announce..." is a sentence about you. Nobody scrolls Instagram hoping to learn what a business is excited about.
  • Starting with emoji. Three sparkles and a fire symbol read as noise, and they eat characters you needed.

Compare these two openers for the same post — a hairdresser showing a colour correction:

Weak openerStronger opener
✨ Loving this transformation! ✨She came in after a box dye went green.
New week, new specials!Three things we're doing differently this week.
We're excited to announce our new menu.We took the pasta off the menu. Here's why.

The stronger versions all do the same thing: they open a small loop the reader wants closed. There's a problem, a number, or a decision that needs explaining. Curiosity does the tapping for you.

If your first line would still make sense pasted under any other business's photo, it isn't a first line. It's filler.

Write it like you'd say it across the counter

The fastest way to sound like every other business in your suburb is to write the way businesses write. "We pride ourselves on delivering exceptional service to our valued clients" is not a sentence a human has ever said out loud.

A useful trick: before you type anything, imagine a regular customer has just asked you about this thing while you're making their coffee. Say the answer in your head. Write that down. It'll be shorter, warmer and about four times more convincing than whatever you were going to write.

This also keeps you consistent, which matters more than any individual post. If you're not sure what your voice sounds like yet, that's worth pinning down first — the complete social media strategy guide covers where voice sits alongside pillars and cadence.

Structure: hook, meat, ask

Nearly every caption that works follows the same simple shape. You don't need a formula for creativity, but you do need one for the days you're posting between jobs.

  1. Hook (line one). The problem, the number, the surprising thing, or the question you get asked constantly.
  2. Meat (two to five short lines). The actual substance — what happened, what you learned, what it means for them. Break it up. Nobody reads a wall of text on a phone.
  3. Ask (one line, sometimes). One clear thing to do next, and only when you've earned it.

On the ask: be specific. "Let us know what you think!" gets nothing because it's work for the reader to figure out what you want. "Which of these three would you order?" gets replies because you've made responding almost effortless.

And you don't need one every time. Every post ending in a request starts to feel like being cornered at a party. Roughly one in three or four is plenty.

Match the caption to the format

A Reel and a carousel need different captions, and it trips people up constantly.

  • Reels: the video is carrying the story, so the caption is context, not repetition. Short. One line of setup plus the ask.
  • Carousels: the caption can be longer, because someone swiping is already invested. Use it to add the detail you couldn't fit on the slides.
  • Single photos: the caption is doing most of the lifting. This is where a longer, story-shaped caption pays off best.
  • Stories: barely a caption at all — a few words on screen, and the ask is usually a sticker.

If you're regularly unsure which format you should be reaching for in the first place, we've broken that down in Reels vs Stories vs Posts.

Say where you are

This is the bit local businesses skip and shouldn't. If you're in Norwood, say Norwood. If your customers drive in from the Hills, mention the Hills. Not stuffed in awkwardly — just naturally present, the way you'd mention it in conversation.

It does two things. It helps the right people recognise themselves in the post, and it quietly signals to the platform who this content is relevant to. "Free parking out the back on Fullarton Road" is a more useful sentence than any hashtag you could add.

Speaking of which: hashtags are labels now, not a growth strategy. A handful of relevant ones, a few local, tucked at the end or in the first comment. Don't let thirty of them clutter the top of a caption that was doing fine on its own.

Steal from your own inbox

The best captions we write for clients almost never come from a brainstorm. They come from the questions people already ask.

Open your DMs, your emails, your Google reviews. Every recurring question is a caption. "How long does it take?" "Do you do same-day?" "Is it safe for sensitive skin?" You already have the answers, you've given them a hundred times, and the answer is genuinely useful to the person reading — which is the whole game.

If you're short on things to point the camera at while you do this, our list of Instagram content ideas for local businesses pairs neatly with it.

A quick honest note

Better captions won't fix a post nobody sees, and they won't turn a business with no offer into a busy one. What they do is make the reach you're already getting count for something — more people finishing the post, more replies, more of them remembering you next time they need what you sell.

That's not a small thing. But it compounds slowly, over months of posting, not overnight. Anyone promising otherwise is selling something.

Start with the first line. Fix that one habit and the rest of the caption tends to sort itself out.

Caption questions, answered

As long as it needs to be and not a word longer. A one-line caption is fine when the photo does the work. A longer one earns its length when you're telling a story, explaining a process or answering a question people actually ask you. What matters far more than length is the first line, because that's the only part most people will ever see.

They help a little, and they're no longer the growth engine they were. Treat them as labels rather than a strategy — a handful of genuinely relevant ones, including a few local to your suburb and city. Put them at the end of the caption or in the first comment so they don't clutter the opening line that's doing the real work.

No, and forcing one into every post is how captions start sounding desperate. Roughly one in three or four is a good rhythm. When you do include one, ask for a single specific thing — tell me which one, book on Thursday, send this to a mate — rather than a vague nudge to engage.

Want someone else writing the captions?

We write social content for Adelaide businesses that sounds like them, not like a brand deck — captions, hooks and a posting rhythm you can actually keep up with.

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