A curiosity hook opens a question the viewer has to stay to close. Browse real ads below, then read how to tease without tricking anyone.
A curiosity hook opens a gap: it shows or says just enough to make the viewer want the rest, then makes them stay to get it. It might be an odd object in frame, a half-finished sentence, a result with the cause hidden or a line like I did not expect this to work. The gap has to close inside the ad, with an answer that pays off the question, or the hook becomes a trick the viewer remembers for the wrong reason.
Curiosity needs a subject. A question about the viewer's own problem, routine or money pulls harder than a puzzle with no stakes. Weird alone is not enough: it has to be weird about something they want to know.
Show a visible clue, such as a before state, an unexpected tool or a number with the reason missing. A hook with nothing to look at gives the viewer nothing to wonder about and no reason to wait.
Plan the payoff before you write the opening. If the answer comes only on the landing page, many viewers will never see it. Deliver the reveal in the video or the body copy, then point to the product.
A hook that promises a secret and delivers a discount code teaches people to scroll past you. Match the size of the reveal to the size of the curiosity, and avoid implying results you cannot show.
A curiosity hook opens a question or gap that the viewer has to keep watching or reading to close. It hints at something surprising without giving it away, and the ad then delivers the answer.
It becomes clickbait when the payoff does not match the tease. A hook that opens a real gap and closes it inside the ad is simply good structure. A hook that hides the point and delivers nothing damages trust.
Start from the payoff, then remove the one detail that explains it. Show the clue, such as the odd result, and withhold the cause. Test two or three versions of the missing detail against each other, with the rest of the ad unchanged.
A question hook asks the viewer something directly. A curiosity hook can do it without a question mark, by showing a puzzle or leaving a sentence open. The two overlap, but curiosity is about the gap, not the grammar.