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Best prompts for Instagram Captions for product promos using user-generated content
12 ready-to-use AI prompts to turn user-generated content (photos, quotes, reviews, reels) into high-converting Instagram product captions. Each entry includes a copy-ready AI prompt, a short explanation, a realistic example caption, and recommended AIs.
GPT-5
Claude Opus 4
Gemini 2.5 Pro
Claude Sonnet 4
Gemini 2.5 Flash
You know that sinking feeling when you're staring at a gorgeous user-generated photo of your product, knowing it could be pure marketing gold, but your caption falls flat? You've got authentic customer content that practically sells itself, yet somehow your words just don't capture that magic. It's like having a treasure chest but losing the key.
These 12 battle-tested AI prompts transform your customer photos, reviews, and videos into scroll-stopping Instagram captions that actually convert. From punchy quote-driven posts to elegant luxury brand messaging, each prompt comes with clear instructions, real examples, and specific strategies for different content types. Say goodbye to writer's block and hello to captions that turn your customers' authentic experiences into your most powerful sales tool.
1
Short punchy caption with user quote + CTA
Write a single-line Instagram caption (max 120 characters) for {brand} promoting {product}. Include the exact user quote in quotes: "{user_quote}", credit the user with — @{username}, add 1–2 relevant emojis, a direct CTA like 'Shop link in bio' or 'Tap to buy', and include 2 hashtags. Keep tone energetic and concise.
Create a very short, attention-grabbing caption that quotes a happy user, credits their handle, includes 1–2 emojis, a clear CTA, and 2–3 relevant hashtags. Keep under 120 characters.
2
Carousel captions: slide-by-slide UGC structure
For an Instagram carousel promoting {product} using a user's photos, write 5 short captions (one per slide). Slide 1: 10–15 character hook with emoji. Slide 2: user testimonial using their quote "{user_quote}" and credit — @{username}. Slide 3: 1–2 product features (benefit-forward). Slide 4: social proof stat or quick review snippet. Slide 5: CTA with link instruction and a promo code if provided ({discount_code}). Keep each slide caption 1–2 sentences, brand voice: friendly and clear.
Produce captions for each carousel slide: hook, user testimonial, key features, social proof, CTA. Each line corresponds to a slide caption.
3
Before/after UGC transformation caption
Write a 2–3 sentence Instagram caption for {product} that showcases a before/after UGC transformation. Start with a strong hook (one short sentence), state the timeline (e.g., 'in 4 weeks'), include the user's quote "{user_quote}" and credit — @{username}. If a measurable improvement exists (e.g., 'reduced redness by 60%'), include it. Finish with a one-line CTA and one brand hashtag.
Highlight a user's transformation with an emotional hook, before/after specifics, a quoted takeaway, and a clear CTA. Include timeline and measurable change if provided.
4
Creator review style (long-form) using UGC testimonial
Craft a 2–3 paragraph Instagram caption (80–160 words) using this creator testimonial: "{user_quote}" by @{username} about {product}. Paragraph 1: short hook + quote. Paragraph 2: 2–3 product benefits and sensory details. End with disclosure if it's a collab (add 'ad' or 'sponsored' when {is_collab}=true), a CTA (link in bio), and a promo code {discount_code} if provided. Maintain the brand voice: approachable expert.
Convert a creator's UGC review into a 2–3 paragraph caption that reads like an authentic mini-review, includes pros, where to buy, and disclosure when applicable.
5
Limited-time offer caption using UGC photo + urgency
Write a punchy Instagram caption for {product} featuring this user quote: "{user_quote}" — @{username}. Include a clear limited-time offer: discount {discount_percent}% off until {deadline}. Use urgency words (today, last chance, ends midnight), include one emoji, and end with a CTA: 'Shop now — link in bio'. Keep length under 40 words.
Turn a UGC photo and quote into a caption that creates urgency around a limited-time discount, includes deadline and promo code, and credits the user.
6
How-to micro tutorial caption for UGC Reel
Generate a concise Instagram caption for a UGC Reel where @{username} demos {product}. Provide 3 numbered steps (each 3–6 words) matching the clip, include the user's short quote in quotes, credit the user, add song credit if {song} provided, and end with 'Tap to shop' plus 2 relevant hashtags.
Create a short step-by-step caption for a UGC reel demonstrating product use, include timestamps, user credit, and CTA to watch full reel and shop.
7
UGC Q&A caption: turn comments into FAQ
Write an Instagram caption that formats a user's comment as a question: "{user_comment}" — @{username}? Then provide a 1–2 sentence answer that highlights {product}'s main benefit and how to use it. End with 'Shop link in bio' and 1 hashtag. Keep tone helpful and friendly.
Use a user's question/comment to create a short Q&A style caption: the user's question in quotes and the brand's concise answer, plus product CTA and one hashtag.
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YouTube
DOCX
TikTok
Web
Reels
Video Files
Twitter Videos
Facebook/Meta Ads
Tweets
Audio Files
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