Bis-PEG-20 Dimethicone
AKA “Silicone Modifier, Modified Dimethicone”
Synthetic
Ingredient Facts
Bis-peg-20 dimethicone
AKA: Silicone Modifier, Modified Dimethicone
Synthetic · Hair Conditioning · EWG: 4
Synthetic
Skin Conditioner
Hair Care
Silicone
Synthetic
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
See origin →
Functions
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
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
Dryness
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Insufficient
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Verified Feb 2026
Data: CosIng · EWG · CIR