# Oils, costus

URL: https://app.greenveil.ai/ingredients/ingredient_cas_8023_88_9
Categories: beauty, cleaning, industrial
Functions: Flavouring and nutrient
Identifier: 8023-88-9

> Oils, costus is used as flavouring and nutrient. Greenveil chemical-concern score: 100/100 — Critical concern based on regulatory listings.. Assessed from 5 sources.

## Safety assessment

- Chemical concern score: 100/100 — Critical concern based on regulatory listings.
- Confidence: 4
- Rationale: Costus root oil (Saussurea lappa Clarke), when used as a fragrance ingredient is prohibited in cosmetic products under Annex II of the EU Cosmetics Regulation (EC) 1223/2009.

## Regulatory status

- EU: banned — Annex II of EU Cosmetics Regulation (EC) 1223/2009: substances prohibited in cosmetic products.
- US: commercial use observed — EPA CPDat observed this chemical in 2 composition records across product categories including Cleaning and safety, Raw materials. EPA CPDat classifies this chemical for functional uses including Flavouring and nutrient.
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as structurallydiverse.

_Assessed by Greenveil._