Evidence Methodology

Trend is not truth

Trend is not truth.

Trend status (NOW, RISING, COOLING, FUTURE) measures popularity and momentum, using signals such as search momentum, social velocity, cross-platform and geographic spread, industry launch activity and editorial pickup.

We show a numeric score only when genuinely comparable data exist.

The LCY Evidence Meter

Evidence is separate. The LCY Evidence Meter grades the scientific support:

• A, Strong: strong, replicated human evidence from good-quality studies.
• B, Moderate: good human data with meaningful limitations.
• C, Emerging: promising first human studies, not yet enough data.
• D, Weak: mostly small studies, observational data or mechanistic theory.
• E, Insufficient / Unsupported: no human evidence, or the claim is not scientifically supported.

Keeping claims separate

We keep mechanism, clinical efficacy, topical products, injectables and medical procedures separate, because they are different claims.

Sponsors and advertisers cannot change a grade.