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The fragrance facts, graded

Don’t take our word for it. Here’s every fact on this site, with its evidence grade, its caveats, and a link to the source, so you can check us.

We start you on the strong ones: findings that have been replicated or come from one large, well-controlled study. Moderate and weak facts are here too, labeled for what they are. Use “Link to this fact” to share a single card.

1 facts match “cleaning”

Hidden ingredients / Other evidence

For EWG Verified cleaners whose fragrance has more than five ingredients, the package may show only 'fragrance*' plus the first five; the full list is online.

Strong evidence: Describes the rule as written; no data on how many licensed products use the shortened form.

Source: EWG Verified criteria for cleaning products (10.24), Environmental Working Group, 2024 Link to this fact

Information, not medical advice. See also: myths we won’t tell you.