Fragrance avoidance
Nothing to weigh for this context yet.
We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.
- beauty
- industrial
4-Methoxy-(2E)-cinnamic acid
CAS 943-89-5
Concern score
Not assessed — no hazard data yet.
4-Methoxy-(2E)-cinnamic acid in plain language
On cosmetic ingredient lists it appears as “Methoxycinnamic acid”.
Also known as Methoxycinnamic acid · (2E)-3-(4-Methoxyphenyl)prop-2-enoic acid · (E)-4-methoxycinnamic acid · 2-Propenoic acid, 3-(4-methoxyphenyl)-, (2E)- · 2-Propenoic acid, 3-(4-methoxyphenyl)-, (E)- · Afdxodalszrgih-qpjjxvbhsa-n
Show all 8 names
NCGC00159448-02 · trans-2-Propenoic acid, 3-(4-methoxyphenyl)-
Used in cosmetics as a UV filter and a light stabiliser.
- UV filter
- Light stabilizer
- Stabiliser
- We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.
Regulation
No restrictions found. 4-Methoxy-(2E)-cinnamic acid appears in these published regulatory listings.
- Found in consumer products
- Industrial
EUCosIngActiveListed in CosIng inventory for cosmetic use.
- Listed in CosIng inventory for cosmetic use.Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Stabilizing agent, UV stabilizer.
- EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Stabilizing agent, UV stabilizer.Source →
Expert safety opinions
No expert opinion on file for 4-Methoxy-(2E)-cinnamic acid. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.
SCCS
EU Scientific Committee on Consumer Safety
No SCCS opinion on file.
CIR
Cosmetic Ingredient Review (US expert panel)
No CIR safety assessment on file.
Evidence & sources
No graded research studies for 4-Methoxy-(2E)-cinnamic acid yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
No signal in this context
Where it has been recorded
How often EPA CPDat has listed 4-Methoxy-(2E)-cinnamic acid in a product composition. These are source records, not Greenveil catalog products.
Named organisations
1
Typical roles
UV filterLight stabilizerStabiliser