surfactant

Arachidic Acid

INCI: ARACHIDIC ACID
CAS 506-30-9 EC 208-031-3
Icosanoic acid
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details

Description

Icosanoic acid

Purpose

Function

Cleansing, Opacifying, Surfactant
Profile

Properties

Silicone
Silicone free
Compliance

Regulatory Status

EU
Permitted
Safety
GOOD
US
Permitted
Absorptionlow
Sensitizationlow
MoSadequate
NOAEL2361 mg/kg
ConcernLow
Flags
epa_safer_alternative
Verdict

Unrestricted with strong CIR fatty acid class assessment (2019). High-melting point (~75.5°C), contributes structure and hardness to anhydrous systems. Non-oxidizable.

US Note

CIR: safe when formulated to be non-irritating and non-sensitizing (2019).

Assessment

Ratings

Comedogenic0/5
LowHigh
Irritancy0/5
LowHigh
Reference

Identifiers

CAS Number
506-30-9
EC Number
208-031-3
INCI
ARACHIDIC ACID
Category
surfactant
Updated
Apr 2, 2026