Regulatory Status
For full compliance data across 55 jurisdictions, use the Substance Compliance tool.
Safety Data
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Contains quassin and neoquassin (intensely bitter quassinoids). These have documented insecticidal properties — historically used as a natural pesticide. At higher concentrations, quassinoids show cytotoxic activity *in vitro*. Keep formulation levels low. Also used traditionally as an anti-parasitic (lice treatments). Ensure wood extract is free from heavy metal contamination typical of tropical hardwoods [^1_17][^1_19]
Regulatory Flags
Frequently Asked Questions
Is Quassia Amara Wood safe in cosmetics?
Contains quassin and neoquassin (intensely bitter quassinoids). These have documented insecticidal properties — historically used as a natural pesticide. At higher concentrations, quassinoids show cytotoxic activity *in vitro*. Keep formulation levels low. Also used traditionally as an anti-parasitic (lice treatments). Ensure wood extract is free from heavy metal contamination typical of tropical hardwoods [^1_17][^1_19] The EU classifies Quassia Amara Wood as "permitted". Safety rating: GOOD.
Is Quassia Amara Wood allowed in the EU?
Quassia Amara Wood EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Quassia Amara Wood do in cosmetics?
Quassia Amara Wood functions as: Skin Conditioning [^1_18][^1_19]. It is classified as a cosmetic ingredient in our database. CAS number: 84604-10-4 [^1_17][^1_18].
What is the Margin of Safety for Quassia Amara Wood?
adequate The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.
Compliance Tools
Check Quassia Amara Wood compliance across multiple jurisdictions:
Related Ingredients
Is Quassia Amara Wood in Your Products?
Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.
Try Piro Free →Analyze Your Full Ingredient List
Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Quassia Amara Wood in your formulation.