Bis-PEG-20 Dimethicone

AKA “Silicone Modifier, Modified Dimethicone”

Synthetic

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Ingredient Facts

Bis-peg-20 dimethicone

AKA: Silicone Modifier, Modified Dimethicone

Synthetic · Hair Conditioning | Skin Conditioning · EWG: 4

Plant-Derived

Skin Conditioner

Hair Care

Silicone

Synthetic

Not Clean

Lightweight silicone that smooths and conditions hair and skin while reducing frizz and adding shine. Leaves a soft, non-greasy feel.

CAS #

102783-01-7

Form

Liquid

Plant-Derived

Synthetic. Derived from dimethicone and polyethylene glycol (PEG), both petroleum-based synthetic polymers. Synthesized through esterification and polymerization reactions linking dimethicone chains with PEG segments.

Function

Hair Conditioning | Skin Conditioning

Benefits

Locks in moisture

Traditional Use

A silicone-based copolymer created for modern cosmetics to enhance product spreadability, water resistance, and conditioning properties in makeup and skincare formulations.

Skin Types

all-skin-types

Best For

Target

Dryness

Melanin-Rich Skin

Suitable

Pregnancy Safe

Yes

Restricted By

Credo Beauty Whole Foods Premium Body Care Beauty Heroes MADE SAFE EWG VERIFIED

EWG Score4

CIR Safety Findings

medical-approval, all-shades-safe, Not a Sensitizer

Regulatory Status

USAunder review

EU⚠ restricted

JAPAN⚠ restricted

CANADA⚠ restricted

Regulatory Agencies

EWG CIR FDA EU COSING Health Canada

Verified Feb 2026

Data: CosIng · EWG · CIR