How to localize product copy and content for US customers

List the assets you already have: product photographs, demonstrations, creator clips, founder interviews and product copy. For each, identify the question it answers and the facts a viewer needs before it makes sense. A beautiful campaign film may be useful for brand atmosphere while leaving a first-time shopper unsure how the product is used.

Use the actual intended customer, not a stereotype about American preferences. A US-founded brand can need the same clarity work as a Korean or European one. Adapt what affects understanding, choice and purchase while keeping distinctive brand qualities that still serve the story.

Shopify’s KASH Beauty case identifies Keilidh Cashell as the founder and quotes director Conor Cochrane on aligning marketing, copy and currency with a destination market. This is an international storefront example from an Ireland-founded beauty brand; it does not establish an isolated US conversion lift.

For a Korean or European team entering the US, the useful question is how an asset changes the customer’s expectations. A familiar home-market phrase may assume knowledge of a routine, product format or retail context. Decide whether the US version needs a definition, a demonstration or simply clearer delivery information. Keep the brand’s distinctive origin where it helps the story instead of replacing everything with generic American marketing language.

Have the right people approve the practical details. The copywriter needs confirmed US shipping, returns and product information before promising any of them. Keep those facts in a shared sheet, and use it for the ad, creator brief, store and support answers. Customers should receive the experience the campaign describes.

Imagine a European beauty brand with a successful home-market demonstration and a US storefront ready to launch. This is an illustrative workflow, not a claim about KASH Beauty. First identify the product version in the footage, then compare it with US stock. If packaging differs but the demonstration is still accurate, the team may need a corrected close-up rather than an entirely new shoot.

Next review the spoken explanation and captions. Mark assumptions a first-time US buyer may not understand, including size references, routine steps and retailer availability. Ask a person unfamiliar with the original campaign to explain what they would receive and how they would buy it. Their questions can reveal an adaptation need more directly than an internal debate about whether the creative feels local enough.

Finally test the linked destination. Currency, selected variant, promotion, shipping and support should agree with the creative. Keep a change log so the overseas and US teams know which edits are factual corrections and which are creative choices. Reuse the shared learning across later assets, while checking product-specific differences rather than treating one localized video as approval for the whole catalog.

Consider an illustrative Korean cleanser launch. The brand has a product close-up, a Korean-language routine video and a campaign line about a ‘daily reset.’ The product fact sheet confirms size and application instructions, but the English page does not yet explain the routine step or US delivery.

The table shows how that fictional brand could reuse the strongest material and fill the gaps. Every product claim and delivery detail still needs to come from the brand’s current records.

A useful revision tells a shopper what the product is, what situation it is intended for, how to use it and what practical conditions affect the purchase. Do not add a medical, regulatory or comparative claim simply because it sounds persuasive in English.

Start with the approved facts, then write the sentence. In the fictional example below, the brand has confirmed that the item is a rinse-off gel cleanser, its size is 150 mL and its instructions say to massage it onto damp skin and rinse. Those are assumptions for this exercise, not facts about a real product.

The revised copy answers what the item is and how it is used. It does not add “clinically proven,” “suitable for every skin type” or a promised result. If a claim is essential to the positioning, obtain the supporting evidence and approval before putting it into the headline. Translation should not quietly become a new product claim.

New footage is justified when the existing material cannot show something important, such as texture, scale, application or a comparison. A short additional demonstration may solve the problem more efficiently than replacing the entire campaign.

Confirm permissions for reuse and editing before reworking creator content. The brand should identify claims and product facts that require approval; the production team should identify the shot needed to answer each customer question. Rights and approval requirements belong in the brief before shooting.

Maintain an asset list with its purpose, approved wording, current version, permitted uses and owner. A bilingual discussion can resolve an ambiguous product explanation before it becomes a production revision. Keep cultural interpretation separate from factual product approval.

Dahna’s Korean-English perspective can help teams connect the original product story with US copy, creative and product pages. Agree on the assets to adapt, any new production needed and who approves product facts before work begins.

Prepare a localization sheet with original asset, US customer question, approved adaptation, supporting fact, owner and destination URL.

Use the downloadable planning sheet linked below to adapt the examples to your brand. Add the current product information, the person responsible for each task and the check that will show the work is complete. Keep unanswered questions visible for the project discussion.

Shopify’s KASH Beauty account identifies founder Keilidh Cashell and quotes director Conor Cochrane about adapting the storefront to its market. It is an international example, with no isolated US conversion result used here.

The adidas example comes from SearchPilot’s interview recap with Matthew Morrisey and Will Critchlow, published in November 2025 and updated in February 2026. It describes a flat conversion test and a positive SEO result, without a numerical uplift or raw experiment data.

Use the planning sheet to prepare your brief. The related guides below cover the next steps in more detail.