Essential Oils

Anethole

INCI: ANETHOLE
CAS 4180-23-8 EC 203-205-5
Benzene, 1-methoxy-4-(1-propenyl)-
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details

Description

Benzene, 1-methoxy-4-(1-propenyl)-

Purpose

Function

fragrance, masking, antimicrobial
Profile

Properties

Silicone
Silicone free
Compliance

Regulatory Status

EU
Restricted
Safety
MODERATE
US
Permitted
EU Max Concentration0.001% leave-on / 0.01% rinse-off (labeling threshold)
Absorptionmoderate
Sensitizationmoderate
MoSnot established
NOAEL240 mg/kg
ConcernModerate
Flags
fragrance_allergeneu_annex_iiilabeling_requiredsensitizeranise_derivedifra_fragrancefda_food_additive
Verdict

Caution: Restricted in EU with concentration limits; moderate sensitization potential requires careful formulation and labeling compliance.

US Note

Permitted as fragrance ingredient; subject to FDA fragrance safety guidelines; generally recognized as safe at normal use levels

Assessment

Ratings

Comedogenic0/5
LowHigh
Irritancy0/5
LowHigh
Reference

Identifiers

CAS Number
4180-23-8
EC Number
203-205-5
INCI
ANETHOLE
Category
Essential Oils
Updated
Apr 2, 2026