# Tetramethrin [(1R)-trans isomer]

URL: https://app.greenveil.ai/ingredients/ingredient_cas_1166_46_7
Categories: beauty, industrial

> Tetramethrin [(1R)-trans isomer]. Greenveil chemical-concern score: 100/100 — Critical concern driven by cmr.. Assessed from 6 sources.

## Safety assessment

- Chemical concern score: 100/100 — Critical concern driven by cmr.
- Confidence: 4
- Rationale: (1,3,4,5,6,7-Hexahydro-1,3-dioxo-2H-isoindol-2-yl)methyl (1R-trans)-2,2-dimethyl-3-(2- methylprop-1-enyl)cyclopropanecarboxylate is prohibited in cosmetic products under Annex II of the EU Cosmetics Regulation (EC) 1223/2009.

_Assessed by Greenveil._