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Beauty marketing claims in the US: why sunscreen changes the rules

5 min readUpdated

Marketing language is part of product compliance. Review the claim a reasonable customer will understand, not only the exact sentence the copywriter intended, and give every channel the same approved boundaries.

An unlabelled sunscreen tube beside a frosted glass shield and a blank checklist card on pale stone in hard cool light.
In this article

Overview

Marketing language is part of product compliance. Review the claim a reasonable customer will understand, not only the exact sentence the copywriter intended, and give every channel the same approved boundaries.

Claims boundary

The marketed intended use changes the regulatory path

  • Appearance and cleansing

    Cosmetic

    Marketed to cleanse, beautify, or alter appearance without a drug intended use.

    • Appearance-focused language
    • Truthful and supported advertising
    • Cosmetic labeling obligations
  • Treatment or prevention

    OTC drug: sunscreen

    Marketed to prevent sunburn and subject to the US OTC sunscreen pathway.

    • Permitted actives and concentrations
    • Finished-product testing
    • Drug Facts and drug-side requirements
  • Both functions

    Drug and cosmetic

    A product can sit in both categories and must satisfy the requirements that apply to each.

    • One product, two rule sets
    • Claims define intended use
    • Review before packaging and content
This is an operating distinction, not legal advice. Review the whole net impression with qualified US regulatory counsel.

Words can change what the product is

FDA classification depends on intended use. Product names, packaging, websites, creator scripts, search ads, images, testimonials and context can all help establish that use. The language can make a product a drug or both a drug and a cosmetic.

No list of beauty verbs can establish that a claim is acceptable in every context. Have regulatory counsel review the complete set of claims and supporting evidence for the specific formula before approving them.

The cosmetic–drug line, with sunscreen as the drug-side example
DimensionCosmeticOTC drug (sunscreen)
Intended useMarketed only to cleanse, beautify, or alter appearanceSays or implies the product treats or prevents disease, or affects the body's structure or function
Claim examplesAppearance-focused language about how skin looksA promise to treat a medical condition
Regulatory pathwayMay be a cosmetic based on the marketed intended useRegulated as an OTC drug; without an approved application, must satisfy the current OTC sunscreen monograph, including permitted active ingredients and concentrations and finished-product testing
Labeling and advertising obligationsFDA cosmetic labeling requirements apply, including identity, net contents, ingredient and required business information. FTC truthfulness and substantiation standards also apply to advertisingDrug Facts and other drug labeling, drug establishment registration and listing, and drug current good manufacturing practice; FTC advertising standards also apply. A cosmetic–drug combination must meet applicable requirements for both

FTC looks at the net impression

The FTC's current Health Products Compliance Guidance says advertisers need a reasonable basis for objective claims before dissemination and evaluates the express and implied messages conveyed by the ad as a whole. A small disclaimer cannot reliably reverse a prominent headline, image, testimonial, or demonstration that communicates a broader result; if a significant minority still takes away a misleading claim, the disclosure is not sufficient.

For health-related efficacy or safety claims, the FTC applies its rigorous competent-and-reliable-scientific-evidence standard and encourages review by an independent expert in the relevant field. Ingredient, animal, or in vitro research does not automatically prove a finished-product human claim, and a genuine customer testimonial does not replace substantiation. The evidence should match the formulation, population, use, dose, outcome, and strength of the message.

Sunscreen is the clearest cross-border example

Sunscreen is regulated as an over-the-counter drug in the United States. A product marketed without an approved application must satisfy the current OTC sunscreen monograph and the other drug requirements summarized in the table above.

Do not assume a Korean sunscreen formula can be sold unchanged in the US because its SPF was tested or it is legal in Korea. Compare every active ingredient, concentration, dosage form, test, warning, claim and label element against the current US pathway. The framework can change: FDA's June 9, 2026 final order added bemotrizinol, at concentrations up to 6%, to the OTC sunscreen monograph. It was the first new permitted sunscreen active ingredient since the late 1990s. That change does not automatically make a particular imported finished product compliant or approved.

Build a claims matrix before content production

A claims matrix records each proposed message's exact wording, product and variant, evidence, required qualifier, prohibited implication, owner, approval date and permitted channels. Use this approved record across product pages, marketplace listings, press copy, paid ads, affiliate briefs and customer service responses so each channel describes the product consistently.

  • Separate sensory and appearance observations from objective performance, health, safety, or therapeutic claims.
  • Record what the finished product evidence supports, not merely what one ingredient is associated with.
  • Review the product name, before-and-after image, demonstration, caption, audio, comments, and CTA as one net impression.
  • Give creators required disclosures, approved facts, prohibited claims, and an escalation path without scripting away their voice.
  • Re-review translated Korean source copy; a literal English translation can create a stronger US claim than the original team intended.
Illustrative claims-review records—not approved replacement wording
Proposed asset and messagePotential takeaway and evidence gapDecision, owner and release condition
US serum product page and creator brief: 'repairs skin cells'A structure/function claim, not merely an observation about appearance; ingredient research alone does not establish the finished product's claimed effect or lawful pathwayHold. The US regulatory specialist must determine classification and the applicable pathway before the brand approves any wording or production brief
US moisturizer ad: before-and-after photos presented as a seven-day resultThe visual implies a product-caused change. Different lighting, missing use records or evidence from another formula cannot substantiate that takeawayHold. The evidence owner supplies the original files, capture conditions, use records and relevant finished-product support; the qualified reviewer evaluates the full ad before release

Put the review gate before the expensive work

Claims review should happen before packaging is printed, product pages are built, creators are contracted, or ads enter production. Late review creates reprints, rejected listings, unusable content, inventory delays, and inconsistent customer explanations.

Hypothetical example—not client work: a Korean SPF 50 cushion arrives with draft US copy promising 'waterproof protection all day' and creator footage repeating that line. Do not solve this with a smaller disclaimer. FDA treats products labeled with SPF as sunscreen drugs and its labeling rules do not permit 'waterproof' claims; the formula, pathway, finished-product tests, Drug Facts, use language, and water-resistance evidence need specialist review before the packaging or brief is approved.

Use a qualified US regulatory attorney or specialist for classification and claim approval. This article explains the operating problem; it is not legal or regulatory advice and does not determine whether any particular claim or product is compliant.

Sources & further reading

Ana Yon
Co-founder, Dahna

Ana leads US market-entry strategy and marketing at Dahna, connecting Korean and US teams through bilingual strategy and execution.

Prepared with AI-assisted research and drafting, with linked source references. No independent human specialist review is claimed. Editorial policy

Keep readingWhat it takes to bring Korean beauty products into the USAll insightsRSS feedAna Yon on LinkedIn
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