PEG-8 Dimethicone Dimer Dilinoleate
AKA: Polyethylene Glycol 8 Dimethicone Dimer Dilinoleate
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
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.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR