Skin Conditioning

Bis-4-PCA Dimethicone

INCI: BIS-4-PCA DIMETHICONE
CAS Not individually assigned; PCA Dimethicone parent CAS: 179005-03-9
Skin Conditioning, Hair Conditioning
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details

Description

Skin Conditioning, Hair Conditioning

Purpose

Function

Skin Conditioning, Hair Conditioning
Profile

Properties

Silicone
Silicone free
Compliance

Regulatory Status

EU
Permitted
Safety
GOOD
US
Permitted
Absorptionnegligible
Sensitizationlow
MoSnot established
ConcernLow
Verdict

No specific CIR monograph for Bis-4-PCA Dimethicone as distinct INCI. Confirm PCA moiety is L-form (physiological). Verify D4/D5/D6 cyclomethicone residuals.

US Note

Dimethicone base is OTC skin protectant; PCA derivatives under general cosmetic use

Assessment

Ratings

Comedogenic0/5
LowHigh
Irritancy0/5
LowHigh
Reference

Identifiers

CAS Number
Not individually assigned; PCA Dimethicone parent CAS: 179005-03-9
INCI
BIS-4-PCA DIMETHICONE
Category
Skin Conditioning
Updated
Apr 2, 2026