In 2026 Meta reads C2PA metadata in ad creatives just like in organic posts. The result: a retouched but entirely real product photo can ship with an "AI info" label because somewhere in the export chain it touched Firefly or a generative Photoshop feature. For brands this is a perception problem โ customers see "AI" under a genuine product shot.
Why does the label appear on ads?
Same logic as organic: the file's C2PA Content Credentials and DigitalSourceType records. One generative touch anywhere in the creative pipeline โ background expand, a small generative-fill fix โ writes a record, and that's enough. Meta doesn't distinguish "100% AI-generated" from "real photo with a tiny AI retouch."
First, the honest line: what you must disclose
This guide is built around a clear frame:
- Genuinely AI-generated images/videos (especially anything depicting realistic people or events) must be disclosed under platform rules. Hiding that is both a violation and a brand risk.
- False positives on real photos are the actual solvable problem: cleaning retouch-born metadata is publishing a real photo as real.
The 3-step clean-publish workflow for agencies
- Pre-upload check: Run every final creative through the AI Image Checker (files never leave the device โ you're not uploading client creatives to a third-party server, which matters under NDA).
- Clean the false positives: If a real photo carries markers, pass it through the lossless cleaner โ pixels and color profile stay identical, ad quality is untouched.
- Verify and archive: Re-check the cleaned copy, see the green result; archive which version of which creative actually shipped.
Two scenarios agencies hit constantly
"The photo came from the studio; we only color-corrected." Whatever anyone used earlier in the chain stays in the file. The checker tells you the file's history โ no verbal confirmations needed.
"We built that template last year." If an old template contains a Firefly-touched layer, every new export carries the same marker. Rebuilding the template once from clean sources is the permanent fix.
Check your creative now โ โ free, no sign-up, files never leave your device.