Updated , 6 min read, by the Probably team
Key takeaways
- The hook is the first two or three seconds: line, image and on-screen text.
- Specific beats clever: name the viewer, the problem or the result.
- Show motion or the product in the first second.
- Test several hooks against the same body.
- Judge a hook by how many viewers stay past it.
What is a hook in a video ad?
A video hook is the first two or three seconds of an ad, built to stop the scroll and give a reason to watch the rest.
Three parts work together: the first spoken line, the first image and the on-screen text. The same hook opens a TikTok, a Reel, a Short or a Facebook video ad.
What are viral hooks?
Viral hooks are opening lines and shots in patterns that keep working across many videos, such as calling out one viewer, naming a problem or admitting a doubt.
No hook makes a video go viral by itself. A proven pattern gives your opening a better chance, and the rest of the video still has to deliver what the hook promised. Reuse the pattern, never someone else's line.
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Why do the first three seconds matter so much?
In a feed the next video is one swipe away, so people decide almost at once. If the hook fails, nothing after it gets a chance.
Marketers track this as hook rate, the share of impressions that become three-second views. As a rule of thumb, a better hook is the cheapest way to a better ad.
What makes a good TikTok hook?
A good TikTok hook is specific, about the viewer, and pays off in the video. It sounds like something a person would say to a friend.
- Specific. "This fixed my 3pm crash" beats "This changed my life".
- About the viewer. It names their problem, situation or goal.
- Opens a loop. It raises a question only the video answers.
- Matches the ad. Break its promise and viewers feel tricked and leave.
- Sounds spoken. A person would say it to a friend.
How do you write a viral hook?
- Pick one viewer
Write for one buyer in one situation, not everyone who might buy.
- Choose a formula
Start from one of the 12 below: a problem, a result, a callout, a doubt.
- Make it specific
Swap vague words for a time, a place, a number or a name the viewer knows.
- Cut it to one breath
Five to twelve words. Move the rest into the on-screen text or the next line.
- Plan the first shot
Decide what moves in the first second, then write ten and keep the most different three to five.
12 hook formulas, with examples
The examples are for made-up products; swap in your own product and buyer, or let the free hook generator write ten for yours.
Call out the viewer
If you have curly hair and live somewhere humid, stop scrolling.
Name the problem
My phone was dead by 2pm every single day.
Promise a result
This is how I meal prep a whole week in one hour.
Contrarian take
Unpopular opinion: you don't need a 10-step skincare routine.
Mistake warning
Stop washing your dog with human shampoo.
Discovery
I found the desk chair every remote worker on here keeps talking about.
Before/after
This is my closet before. Now watch.
Number list
3 things I wish I'd known before buying a stroller.
Question
Why does nobody talk about how bad cheap pans are?
Story opener
My dentist asked what I'd changed. This is what I told her.
Objection first
I know, $40 for a candle. Let me explain.
Reaction
Okay, I did not expect it to do that.
What are some good hook sentences? 28 more examples
Problem hooks name a pain the viewer already feels.
“If your coffee goes cold before you finish it, this is for you.”
Make an ad with this hook“I was spending 20 minutes every morning looking for my keys.”
Make an ad with this hook“Nobody warned me how much a newborn sweats at night.”
Make an ad with this hook“My back hurt every time I sat down to work. Then I tried this.”
Make an ad with this hook“Tired of apps that make budgeting feel like homework?”
Make an ad with this hook
Result hooks lead with life afterward.
“I've read 14 books this year, and it's because of this tiny thing.”
Make an ad with this hook“This is the first plant I haven't killed.”
Make an ad with this hook“My kitchen has never been this clean on a Tuesday.”
Make an ad with this hook“I went from zero to 30 minutes of running in six weeks.”
Make an ad with this hook“Same jeans, two sizes looser. Here's what I changed.”
Make an ad with this hook
Curiosity and story hooks open a question.
“I almost returned this. I'm so glad I didn't.”
Make an ad with this hook“My mom stole this from my bathroom and won't give it back.”
Make an ad with this hook“The one thing in my bag I'd buy again tomorrow.”
Make an ad with this hook“I tested the viral one against the cheap one so you don't have to.”
Make an ad with this hook“Here's what happened when I let my kids plan dinner for a week.”
Make an ad with this hook
Callout hooks speak to one kind of viewer.
“Nurses, this one's for you.”
Make an ad with this hook“If you run a small shop on your own, you need to hear this.”
Make an ad with this hook“For everyone who hates the gym but still wants to get stronger.”
Make an ad with this hook“First-time homeowners, don't make the mistake I made.”
Make an ad with this hook“If you're a light sleeper, watch this before bed.”
Make an ad with this hook
Objection hooks meet the doubt head-on.
“Is it actually worth the hype? I used it for a month.”
Make an ad with this hook“I was sure this would be a gimmick.”
Make an ad with this hook“Why I switched from the big brand and never went back.”
Make an ad with this hook“Cheaper than my weekly takeout, and it lasts all month.”
Make an ad with this hook“Honest review: two things I love, one thing I don't.”
Make an ad with this hook
Contrarian hooks challenge something the viewer believes.
“You're probably cleaning your makeup brushes wrong.”
Make an ad with this hook“Stop buying expensive protein bars. Make these instead.”
Make an ad with this hook“Everyone told me to get the bigger size. They were wrong.”
Make an ad with this hook
What are visual hooks?
A visual hook is what the viewer sees in the first second. Many decide from it alone, so never open on a still face waiting to talk.
Start mid-action: pouring, unboxing, applying, opening the app.
Show the product in the first frame, close to the lens.
Show the result first, then how you got there.
Pick an unexpected setting, such as a walk and talk or a car selfie.
Hold the product up to the camera, as if showing a friend.
Cut to a new shot within two seconds.
How should on-screen text support the hook?
With the sound off, on-screen text carries the hook. Use one short line that adds to the spoken one.
My phone was dead by 2pm every day.
the charger I keep in my bag now
I almost returned this.
glad I didn't
Nurses, this one's for you.
12-hour shift approved
Place it mid-frame, inside the safe zone, clear of the buttons and caption bar; TikTok-style captions can carry the rest of the script.
What hook mistakes should you avoid?
- Opening with a greeting or the brand name: "Hi guys, today I'm going to...".
- A slow first frame: a logo, a fade-in, an actor getting ready.
- Clickbait the ad doesn't pay off; it holds attention and loses trust.
- Claims you can't back up, such as medical or income promises.
- Writing one hook; you can't judge it without a comparison.
How do you test hooks?
- Write ten, make three to five
Pick the most different hooks, not five takes on one.
- Keep the body identical
Same script after the hook, actor and call to action; see the UGC script template.
- Launch together
Same ad set, budget, audience and day.
- Compare early retention first
Hook rate and average watch time pick a winner fast; confirm with click-through and cost per result.
- Write the next round from the winner
Try new lines in its formula, or the winning hook with a new body.
For budgets, sample sizes and when to call a test, read how to test UGC ad creatives.
How Probably makes hook variants
In Probably, an AI video studio for UGC-style ads, you ask for alternate hooks in plain words and each becomes a variant. Only the parts that depend on the hook are remade, so the body stays the same; see review and revisions.
Paste a TikTok, Reels or YouTube link and the crew borrows its hook or pacing without copying it. Your first draft is free; see pricing.
Frequently asked questions
How long should a UGC ad hook be?
Two to three seconds, usually one sentence of five to twelve words. If it runs longer, cut it or split it between speech and text.
What is a good hook rate?
It depends on platform, placement and category, so compare hooks with each other and your own past ads, not a universal benchmark.
Can I reuse a hook that went viral?
Reuse the formula, not the line. Write your own take on a pattern such as "I almost returned this"; don't copy a video or script. The TikTok ad library shows which patterns ads run today.
What is a catchy hook?
A catchy hook is short, specific and a little unexpected, so the viewer wants the next line. Read it aloud: if it sounds like an ad, rewrite it the way you'd say it to a friend.
What are the 7 types of hooks?
Seven types (question, statistic, quote, anecdote, bold statement, description, definition) come from essay writing. Video ads use their own patterns, such as the 12 formulas above.
