How to Make Realistic AI UGC Ads for Ecommerce Brands

TL;DR
To make realistic AI UGC ads, feed product details and competitor-ad transcripts into Claude, then use Arc Ads to pair a speech-to-speech recording with a suitable AI actor. The demonstrated Kylie Cosmetics face-moisturizer ad took under 10 minutes, while Gemini handled word-for-word transcription of two reference ads. Read on for the exact scripting, recording, and actor-selection workflow.
Transcript
What if I told you the most successful video ads aren't even using real UGC creators? I just made this at creative in under 10 minutes using nothing but AI and it looks completely real. I've been noticing this brand's face moisturizer everywhere and I finally decided to try it. Every single bit of what you just saw is 100% AI. No casting calls, no ... Read More
Key Insights
- The most successful video ads are increasingly not made by real UGC creators; a fully AI-generated ad can be produced in under 10 minutes with no casting calls, script writing, production, or revisions.
- Skincare is chosen as the test product because it is one of the most delicate categories; using Kylie Cosmetics face moisturizer proves the method works even on an extreme, hard-to-replicate example that demands ultimate visual quality.
- When picking competitors to model, choose a brand just one stage above you rather than the biggest brand in the world; Native and Lei are cited as sources of strong hooks and good UGC.
- Gemini is used to transcribe competitor video ads word for word because it is one of the only platforms that can read and listen to video, then push it back into a transcript for scaling.
- Claude is used for the actual copywriting because it is the best at it; it expands two simple example transcripts into multiple detailed script versions using the product page details and three reviews.
- Speech-to-speech is recommended over text-to-speech in Arc Ads because it preserves the exact tone the advertiser wants; the creator records the script in the desired tonality rather than relying on generated voice tonality.
- Actor selection uses filters like female and young adult to match the core demographic, prioritizing clear skin and high light so the product's moisturizing effect, greasiness, or shine is visible on camera.
- The generated scripts are guides rather than word-for-word requirements; the advertiser applies brand-specific flair, and strong hooks like a product being seen everywhere before caving to buy it drive the ad's opening.
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Questions & Answers
Q: How do you make realistic AI UGC ads for ecommerce brands?
Start by collecting the product-page details and two competitor ads with strong hooks. Use Gemini to transcribe the ads word for word, give those transcripts, the product information, and three reviews to Claude for script options, then produce the ad in Arc Ads with speech-to-speech audio and a selected AI actor.
Q: How quickly can this AI UGC workflow produce an ad?
The Kylie Cosmetics face-moisturizer example was created in under 10 minutes using only AI. The process required no casting calls, manual script writing, production, or revisions.
Q: How should you choose competitor ads for script inspiration?
Choose a brand that is one stage above yours instead of automatically modeling the biggest brand in the world. The workflow used Lei and Native ads because they had good UGC and strong hooks, including a Native ad downloaded from the Facebook ads library.
Q: Why use Gemini to transcribe competitor video ads?
Gemini can read and listen to uploaded video and turn it into a transcript. The workflow prompts it to provide the full transcript word for word for each reference ad, making the process practical at scale.
Q: How does Claude create the AI UGC ad script?
Claude receives the two Gemini transcripts, product-page information, and three customer reviews in a detailed prompt requesting a natural UGC script. It generates multiple approaches, including before-and-after testimonials and an ingredient-focused angle, which can then be adapted with the brand's own flair.
Q: Why use speech-to-speech instead of text-to-speech in Arc Ads?
Text-to-speech can quickly read a pasted script, but its tonality is determined by the AI. Speech-to-speech lets the advertiser upload an MP3 or MP4 or record directly, delivering the exact script in the exact tone desired.
Q: How do you select the right AI actor in Arc Ads?
Filter actors according to the product's audience, then shortlist candidates based on their appearance and setting. For the Kylie Cosmetics example, the creator selected female and young-adult filters, prioritized clear and well-lit skin, narrowed the list to four actors, and listened for natural tonality and fluid speech before choosing Sandra.
Q: What details were included in the Kylie Cosmetics moisturizer ad?
The recorded script mentioned shea butter, sodium hyaluronate, morning-and-night use, and two to three pumps. It also stated that 94% of people said the moisturizer softened their skin with one use, while emphasizing hydration without greasiness or heaviness.
Summary & Key Takeaways
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A fully AI-generated UGC ad for Kylie Cosmetics face moisturizer is created in under 10 minutes with no real creators, casting, scripting, production, or revisions. Skincare is deliberately chosen as an extreme, delicate product to prove the method can deliver the ultimate quality needed to look and feel real.
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The workflow starts by feeding the product page to AI, then transcribing two strong competitor ads from Native and Lei using Gemini, which can read and listen to video. Those transcripts and product details are pushed into Claude, the best tool for copywriting, to generate multiple detailed script options with strong hooks.
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Arc Ads is used to produce the ad, with speech-to-speech recording preferred over text-to-speech to control tonality. Actors are filtered by gender and age to fit the demographic, chosen for clear, well-lit skin so the product effect shows, then reviewed for voice fluidity before final selection.
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