AI Product Descriptions for Online Stores That Actually Sell

Start with a verified fact sheet

Before you ask AI for a single word, build one checked fact sheet per product. It is the only source the AI may use. A spreadsheet or Shopify export works fine.

Product name, model or style, category and intended use.
Size, dimensions, weight, color, scent, flavor and variants.
Materials, ingredients or components.
Care instructions, compatibility, warnings and limitations.
Certifications, only if you hold the paperwork.
Package contents, shipping notes and warranty.
A do-not-say column: "cures", "guaranteed", "medical grade", "certified organic", "made in USA" and anything else you cannot prove.

Never ask AI to fill gaps in specifications, origin, safety or health claims. Guesses become returns and complaints.

Write a short brand voice guide

Five to ten rules give every listing the same voice: plain language, helpful not pushy, no hype, words you like and words you avoid. An outdoor store might allow "durable" and "packable" but ban "indestructible". Paste the guide into every prompt.

Draft each part of the listing

Title: product type, key difference, variant and the term shoppers search, readable and not stuffed.
Description: one sentence on what it is, then three practical benefits tied to listed features. For most small stores, 100 to 200 words beats a long generic block.
Bullets: benefit first, then the supporting fact. "Easy to pack: folds flat for a tote or carry-on" beats "High quality design".
Meta description: product type plus one real benefit, about 155 characters, no invented discounts or free shipping.
Alt text: what is visible in the image, under about 125 characters, no sales claims.

A prompt that works: "Using only the verified facts below, write five title options under 70 characters. Do not invent materials, certifications or performance claims. Facts: [fact sheet]. Voice: [voice guide]."

Keep a big catalog from sounding the same

If forty candles all start with "Transform your space", shoppers learn nothing and search engines see near-duplicate pages. Supplier descriptions copied across many stores have the same problem.

Give each product its own buyer angle: gift, daily use, travel, fit or compatibility.
Put product-specific facts in every prompt, never one category blurb.
Tell the AI to avoid repeated openings across a batch.
Keep separate templates for bestsellers, variants, bundles and accessories.
Track repeated phrases in a spreadsheet and replace them with facts.

Before: "This stylish tote is perfect for everyday use and made with high-quality materials." After: "Carry daily essentials in a cotton canvas tote with a zip top and an inside pocket." The second sells because it is specific.

Batch work in a spreadsheet

Use columns for SKU, verified facts, title, description, bullets, meta description, alt text, reviewer notes and status. Save AI output in its own columns, never straight onto the live page, filter by "needs fact check" and "approved", and import only approved rows. You get speed and a record of what was checked. Our guide on AI with spreadsheets has more ways to work this way.

Truthful advertising rules still apply

A product page is advertising. The FTC's advertising guide for small business says claims must be truthful, not misleading and backed by evidence, and that includes what a listing implies. Health and safety claims need competent and reliable scientific evidence, so never let AI turn "cozy" into "helps you sleep".

Every spec matches the fact sheet.
Certifications are documented.
Health, safety, performance and savings claims are supported.
Required warnings are included.
A customer would not feel misled when the box arrives.

Translating listings

Translate the approved listing, not the fact sheet guesswork. Tell the AI to keep every measurement, warning and claim exactly equivalent and to flag phrases that may not carry over. Have a fluent speaker check regulated products, size guides and warranty text. Our AI translation into Spanish guide covers the review step.

Review every page before it goes live

Compare the copy with the fact sheet line by line.
Search for risky words: certified, cures, guaranteed, medical, organic, non-toxic, best.
Check variants so the small red one does not inherit the large blue one's copy.
Read it aloud to catch stiff wording.
Preview on a phone.
Save the prompts that worked for next time.

Where ASL fits

For Shopify stores with thousands of supplier descriptions, ShopFit audits the store, drafts the fixes and changes nothing you have not approved. Our Shopify SEO checklist covers the rest of the store. Contact us to talk it through.

Frequently asked questions

Can AI write product descriptions for my online store?

Yes, as drafts. Give it a verified fact sheet and a voice guide, then have a person check every spec and claim before the listing goes live.

Will AI product descriptions hurt my SEO?

Generic or duplicate copy can. Unique, specific descriptions built from real product facts help shoppers and search engines tell your pages apart.

How long should a product description be?

For most small stores, 100 to 200 words plus scannable bullets is enough. Specific facts matter more than length.

What claims should AI never add?

Anything you cannot prove: certifications, origin, health or safety benefits, guarantees, performance numbers and words like cures, organic or non-toxic.

How do I write alt text for product images?

Describe what is visible: product type, color, angle and key feature, in under about 125 characters, without sales language.

Related guides

Explore the complete product

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