Methodology v0.7 · MFDS 2025 export calibrationIndependent · No paid placements
Transparent scoring principles

How the brand ranking works

The ranking combines recent online attention, overseas market traction and a clearly labeled export estimate. The export figure is supporting evidence, not reported brand sales.

Public trade sourcesReduced estimate influenceNo affiliate input
0–10

Overseas market traction

Verified presence across Amazon, Olive Young Global, iHerb, YesStyle, StyleKorean, Stylevana and JOLSE, plus documented overseas reach. AliExpress is excluded. Snapshot checked August 21, 2026.

Estimate

Export contribution

MFDS 2025 official export totals and category mix, combined with destination-market demand, provide a cautious supporting signal.

Audit

Professional & quality evidence

Regulatory records, recognized testing and primary-source documentation support auditing but do not add a hidden score.

Dated

Freshness & reliability

Recency and corroboration are disclosed separately and never applied as a hidden deduction.

Evidence families

Platforms are classified before their signals are compared.

GBRL does not copy a retailer or review platform's ranking. Each public source is assigned to the type of evidence it can actually support, then normalized within that family.

Online Marketplace

Sources include, but are not limited to, Amazon, iHerb, YesStyle and other specialist K-beauty marketplaces. They contribute category position, review activity, price, availability and country-specific visibility. Marketplace position is not treated as audited global sales.

Consumer Review

Sources include, but are not limited to, Hwahae and other comparable review platforms. They contribute rating, review volume, freshness and skin-type feedback. These signals describe consumer response; they do not establish medical efficacy or worldwide demand.

Multi-brand Retail

Sources include, but are not limited to, Olive Young, Sephora, Ulta and other comparable multi-brand retailers. They contribute assortment, bestseller placement, review fields and regional availability. A listing proves distribution only, while a bestseller position remains specific to that retailer and date.

Value Retail

Sources include, but are not limited to, Daiso and other comparable value retailers. They indicate affordability, mass accessibility and low-price category adoption. This family is evaluated separately so value-market reach does not become a direct proxy for premium-brand strength.

Official Data

Sources include, but are not limited to, MFDS, national customs records, UN Comtrade and other comparable public datasets. They provide country, category and trade context. Category-level figures are never relabeled as verified brand revenue, and estimates remain clearly identified.

Examples, not endorsements

Named services are representative examples rather than a complete or permanent source list. Their inclusion does not indicate partnership, sponsorship, approval or endorsement, and GBRL may add or remove comparable sources after an editorial review.

Calculation

Normalize, combine, then limit bias

1. Match the brand

Stable brand names and search aliases reduce false matches. Ambiguous names include beauty or skincare context.

2. Collect one window

All live inputs use the same rolling 30-day period, ending two days before collection.

3. Log-normalize

Raw counts are log-transformed before 0–100 normalization so one viral spike cannot dominate the table.

4. Apply the export estimate

Combine comparable public trade and destination-market signals, then limit their influence on the overall ranking.

5. Disclose the estimate

The compact ranking label is Export; this methodology records that it is a modeled supporting contribution, not reported brand-level customs or retail sales.

6. Audit every claim

Store the original URL, publisher, publication date, geography, subject and collection date so every scored claim can be checked again.

Important: an industry, country or HS-category export total is not a brand sale. The Export contribution is modeled and kept as a supporting signal.
Separate evidence ranking

Clinical & functional K-Beauty

This table keeps evidence-led topical skincare separate from the general popularity index and from clinic-administered products.

Eligibility gate

A Korean consumer cosmetic needs public human testing, recognized clinical evaluation, patented or peer-reviewed skin technology, or a documented clinic/pharmaceutical research lineage. A “derma” name alone does not qualify.

40% Clinical evidence

Human application tests, controlled clinical results and clearly identified product-level efficacy records receive the greatest weight.

30% Ingredient & technology

Specific actives, delivery systems, patents and peer-reviewed mechanisms are scored for traceability and relevance—not for marketing novelty.

20% Market adoption

Verified global retailers, clinic channels and documented overseas distribution show whether the evidence-led product is actually available to consumers.

10% Source quality

Primary company, regulatory, trial or peer-reviewed sources outrank retailer copy and secondary summaries.

Hard exclusion

Injectables, prescription products and medical devices are not cosmetics and receive no score. Company-segment sales are not assigned to one cosmetics brand without a disclosed split.

REJURAN example: REJURAN Cosmetics is eligible because it is topical skincare with c-PDRN®/DOT® technology and published human-test evidence. REJURAN clinic injections remain outside this table.
Connected sources

What is live now

These sources are free to query without a paid data subscription. Each measures a different behavior.

Bluesky public AppView

Social reactions

Cached public search endpoint for posts and their like, reply and repost counts. No login key is used.

Online pillar · 50% inside pillar
Wikimedia Analytics API

Independent discovery

Public per-article pageviews under Wikimedia's open analytics access policy.

Online pillar · 25% inside pillar
GDELT DOC 2.0 API

Worldwide media mentions

Raw article-count timelines from global online news coverage across many languages.

Online pillar · 25% inside pillar
Free, key required

YouTube Data API

Public video views, likes and comments can be added after one Google Cloud API key is configured. It is not counted before that connection exists.

Limited access

Instagram, TikTok, Reddit and Google Trends

Arbitrary competitor analytics are not silently scraped. Official access, account authorization or an approved API is required before these signals enter the score.

2025 official calibration

Korea cosmetics export signal

MFDS reported $11.418 billion in 2025 cosmetics exports, up 12.2%, across 202 destinations. Basic skincare represented 74.7% and color cosmetics 13.2% of exports. These category totals calibrate the labeled estimate; they are not assigned as reported brand sales.

MFDS · 2025

$11.418B exports

Official annual cosmetics export total, published May 22, 2026.

Category mix

74.7% basic skincare

Color cosmetics represented 13.2%; both categories recorded double-digit export growth.

Primary source

MFDS official release

Open the Korean government release and attached statistical tables.

Free official-source registry

Approved export evidence owners

These sources establish the Korea and destination-country trade pools. Brand portions remain estimates unless a source directly names the brand.

Failure rules

The ranking remains visible

Last verified result first

The browser and site runtime retain the most recent verified response. A temporary upstream limit does not replace it with an error page.

Calibration baseline last

When no verified response exists yet, the interface shows a clearly labeled calibration baseline. It is never described as current market data.

Interpretation layer

Explanation is separate from calculation.

Rank intelligence helps readers understand a result without adding an undisclosed score or changing rank order.

Open the reader guide
Confidence

Coverage, corroboration and freshness

High requires broad current coverage and corroboration across independent source types. Moderate means the direction is supported but one dimension is thinner. Early Signal flags limited, new or single-source evidence. Confidence is never a score multiplier.

Movement

Comparable snapshots only

A “why it moved” note requires a previous snapshot built with the same model and comparable window. The note identifies the pillar that changed; it does not claim an unobserved commercial cause.

Korea vs world

Matched comparisons or N/A

A market gap is published only when the category, measurement window and evidence type are comparable. Domestic retail rank is not treated as equivalent to global sales, and missing data stays N/A.

Market role

A description, not a prize

Global Staple, Export Leader, Viral Momentum and Local Favorite describe the strongest visible pattern. The label does not add points and may change as the underlying evidence changes.

Editorial independence

Rankings cannot be purchased.

Advertising, sponsorships, retailer relationships and affiliate commissions are excluded from eligibility, scoring and rank order. Commercial partners cannot edit calculations or remove competitors.

No paid placementCommercial input excluded
Public methodologyFormula and caveats visible
Dated signalsSame rolling window
Transparent missing dataN/A contributes 0.0
Frequently asked questions

How to read the ranking

Is the brand score the same as verified sales?

No. Overall is the direct sum of Online, Market and a labeled Export estimate. Market measures verified overseas distribution, while Export est. is an allocation model rather than disclosed brand units.

How are REJURAN injections and REJURAN Cosmetics treated?

REJURAN Cosmetics is scored only in the separate Clinical & Functional K-Beauty table. Clinic-administered REJURAN injectables are medical devices and their sales are excluded. PharmaResearch's combined cosmetics revenue remains supporting context until a REJURAN Cosmetics-only sales figure is disclosed.

Can Korean domestic popularity raise the export score?

No. Naver, Korean retail ranks and domestic sales may be researched separately, but they do not become claimed brand exports. Only the disclosed allocation proxies enter Export est.

What happens when export-estimate evidence is missing?

The unavailable Korea-side or destination-side component is displayed as N/A and contributes 0.0. The remaining component is not silently expanded to fill the gap.

Can a news article be used?

Only when it clearly identifies the original institution, date, geography and figure. The primary report is preferred whenever it is available.

Can a brand pay to improve its rank?

No. Paid placement, affiliate commissions and advertising performance are excluded.