PEG-8 Dimethicone Dimer Dilinoleate
AKA “Polyethylene Glycol 8 Dimethicone Dimer Dilinoleate
Ingredient
Ingredient Facts
Peg-8 dimethicone dimer dilinoleate
AKA: Polyethylene Glycol 8 Dimethicone Dimer Dilinoleate
Ingredient · Film Forming · EWG: 4
Synthetic
Occlusive
Silicone
Not Clean
PEG-8 Dimethicone Dimer Dilinoleate is the ester formed by the reaction of PEG-8 Dimethicone and Dilinoleic Acid
CAS #
-
Form
Liquid
See origin →
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Creates Protective Barrier
Reduces Inflammation
Locks In Moisture
Fights Bacteria
Traditional Use
Advanced synthetic emulsifier combining silicone, PEG, and linoleic acid (an essential fatty acid found in plant oils) developed in the late 20th century. Created to provide conditioning, smoothness, and improved skin barrier function in premium cosmetics.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR