Skin Conditioning

Acetyl Farnesylcysteine

INCI: ACETYL FARNESYLCYSTEINE
CAS 135304-07-3
L-Cysteine, N-acetyl-S-[(2E,6E)-3,7,11-trimethyl-2,6,10-dodecatrienyl]-
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details

Description

L-Cysteine, N-acetyl-S-[(2E,6E)-3,7,11-trimethyl-2,6,10-dodecatrienyl]-

Purpose

Function

Reducing Agent, Skin Conditioning
Profile

Properties

Silicone
Silicone free
Compliance

Regulatory Status

EU
Permitted
Safety
MODERATE
US
Permitted
Absorptionmoderate
Sensitizationmoderate
MoSnot established
ConcernModerate
Verdict

Cell-permeable modulator of G-protein/GPCR signaling with anti-inflammatory properties; limited public toxicology dossier available.

US Note

Not restricted; used in Elizabeth Arden Prevage line

Assessment

Ratings

Comedogenic0/5
LowHigh
Irritancy0/5
LowHigh
Reference

Identifiers

CAS Number
135304-07-3
INCI
ACETYL FARNESYLCYSTEINE
Category
Skin Conditioning
Updated
Apr 2, 2026