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Every public rating on one cosmetic, the places they disagree kept visible, and a single score whose weighting you control.

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We never blend a score that hides who disagrees. Funding model travels with every rating. Weights are computed at read time and never stored.

Cosmetics only · lead with safetyOpen data via Open Beauty Facts · no EWG/Yuka scraping

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Greenlens

Catalog/Pâte d'argile/Flag

Flagged ingredient

Methylisothiazolinone

Raters disagree

A preservative and potent contact sensitizer (a past "allergen of the year").

Raters don't agree. Here's where each one stands

Safe

Greenlens Ingredient Scan
Independent
Greenlens Tolerance Screen
Independent

Caution

Greenlens Precautionary Screen
Independent

Concern

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Where each rater lands

Funding shown

Safe
Greenlens Ingredient Scan
Independent
No EU-regulated hazard recognized for this ingredient.
Caution
Greenlens Precautionary Screen
Independent
A preservative and potent contact sensitizer (a past "allergen of the year"). (ChemSec SIN List (Substitute It Now))
Safe
Greenlens Tolerance Screen

Coverage & match quality

4 ratings · 2 of 4 axes

Some ratings rest on an automatic match that has not been human-reviewed.
Fewer raters reach smaller-brand products, so a missing rating is not a clean bill of health, only a gap.

Other notes

Strong contact sensitizer

Independent

No prohibited or high-risk classification for this ingredient.