A mood board cannot protect product geometry.
Product prompts often spend more words on atmosphere than on the item being sold. That makes a visually attractive result possible, but it also gives the model permission to redesign the silhouette, move a pump, invent label text, or change a material. A product lock reverses the priority. It defines the object first, then attaches a shot brief that can change around it.
Use the builder as a reviewable production brief. Product anchors hold shape, finish, component placement, and exact markings. Brand anchors hold the visual codes that should remain consistent across a campaign. Scene fields describe the single image you need now. Preserve, Change, and Avoid make the approval boundary explicit before the prompt reaches a model.
What makes a product description actionable
Geometry before adjectives
Start with silhouette, proportions, cap or pump shape, seams, handles, cutouts, and component placement. “Premium” is not a geometry instruction.
Material and surface response
Name matte or gloss, translucency, grain, reflectivity, and edge behavior. These facts affect lighting and are often lost when only color is specified.
Exact packaging text
Write the approved wording and state that spelling, hierarchy, and placement must remain exact. Still inspect every output; exact typography may require post-production.
Three production-ready shot briefs
Clean marketplace hero
Preserve exact bottle proportions, pump geometry, label wording, and cobalt glaze. Change the background to seamless warm white. Use centered, straight-on framing with a controlled grounding shadow. Avoid props, duplicate products, or soft label text.
product → locked / scene → minimalLifestyle context without redesign
Keep the product source as the geometry and material authority. Change the setting to a tiled morning bathroom, add restrained condensation, and move the camera to a three-quarter angle. Preserve all label content and component placement.
product source + environment changeSeasonal social campaign
Preserve the full product lock and brand palette. Change props, crop, and surface for a winter campaign. Keep the actual product as the focal point rather than letting seasonal decoration cover its label.
brand anchors + channel cropWhat invalidates an otherwise beautiful product image
Silhouette drift
The container gets taller, the cap changes, or a handle moves. Strengthen measurable shape and component anchors.
Material substitution
Matte ceramic becomes plastic or glossy glass. Describe how the surface responds to light, not just its color.
Packaging hallucination
The model invents claims or misspells the label. Provide exact text and plan a human typography check.
Reference role conflict
A style image accidentally becomes a product source. Tell the adapter what each image controls and what it must not change.
One product lock, two editing languages.
Ordered product, pack, and style referencesN2Nano Banana 2
Conversational multi-reference intent
Product photography FAQ
How do I stop an AI model from changing my product?
Describe the product as a locked object: silhouette, proportions, material, color, component placement, and exact packaging text. Use a clean product reference whenever the model supports it.
Can AI image models reproduce a logo exactly?
Not reliably in every run. State the exact text and placement, use a clear reference, inspect the result, and composite the approved logo in post when exact reproduction is required.
What changes belong in a lifestyle shot?
Change environment, props, surface, human context, crop, or lighting while preserving the product's geometry, finish, label, and component layout.
Should I describe camera settings?
Use practical photographic language such as focal length, angle, framing, depth of field, and light direction. Do not add unsupported API parameters.