Bis-Isobutyl PEG/PPG-10/7/Dimethicone Copolymer
AKA “Silicone Copolymer, Silicone Blend”
Synthetic
Ingredient Facts
Bis-isobutyl peg/ppg-10/7/dimethicone copolymer
AKA: Silicone Copolymer, Silicone Blend
Synthetic · Cleansing · EWG: 4
Synthetic
Cleanser
Emulsifier
Silicone
Synthetic
Clean
A gentle cleanser that helps remove makeup and oil while keeping products smooth and well-blended. Creates a soft, comfortable feel on skin.
CAS #
158451-77-5
Form
Liquid
State
Solid
See origin →
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Cleansing Surfactant
Emulsifier
Removes Impurities
Mixes Oil & Water
Traditional Use
A synthetic copolymer formulated in modern cosmetics to improve emulsification and texture in skincare and makeup products, created through mid-to-late 20th century polymer research.
Skin Types
●all-skin-types
Best For
Dryness
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Insufficient
Pregnancy
Yes
Restricted By
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Verified Feb 2026
Data: CosIng · EWG · CIR