other

Azulene

INCI: AZULENE
CAS 275-51-4 EC 205-993-6
Bicyclo[5.3.0]decapentaene
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details

Description

Bicyclo[5.3.0]decapentaene

Purpose

Function

Insufficient Data
Profile

Properties

Silicone
Silicone free
Compliance

Regulatory Status

EU
Permitted
Safety
MODERATE
US
Permitted
EU Max Concentration10%
Absorptionnegligible
Sensitizationlow
MoSnot established
ConcernModerate
Verdict

Insufficient safety data available for Azulene; further assessment recommended.

US Note

Insufficient data to support safety for cosmetic use (1999 Final Report).

Assessment

Ratings

Comedogenic0/5
LowHigh
Irritancy0/5
LowHigh
Reference

Identifiers

CAS Number
275-51-4
EC Number
205-993-6
INCI
AZULENE
Category
other
Updated
Apr 2, 2026