Editorial method
How Anvaira researches and corrects a guide.
We begin with the narrow question a reader is trying to answer. Regulatory sources define legal and claim boundaries. Peer-reviewed research supplies context with study type and limitations intact. Supplier or traditional-use records may explain material identity or inherited context, but they do not become proof of a finished formula.
Every guide names its sources when external evidence is involved, separates observation from substantiated fact, and links to the relevant Anvaira claim boundary. We prefer a smaller answer that the evidence can carry over a broader sentence that sounds certain.
Corrections belong in the public record.
When a material fact, source interpretation or recommendation changes, we revise the page, update its visible modification date and structured data, and preserve the same canonical URL when the reader intent remains the same. Questions about a source or correction can be sent through the contact room.
Primary guidance
The public rules behind the standard.
- FDA: Cosmetics Labeling Claims
Official United States guidance on truthful cosmetic claims and the cosmetic-drug boundary.
- FTC: Health Products Compliance Guidance
Official guidance on express and implied claims, substantiation and the quality of evidence.