Dimethicone PEG-8 Benzoate
AKA “Modified Silicone, Silicone Benzoate
Synthetic
Ingredient Facts
Dimethicone peg-8 benzoate
AKA: Modified Silicone, Silicone Benzoate
Synthetic · Emollient · EWG: 4
Synthetic
Emollient
Occlusive
Skin Conditioner
Silicone
Synthetic
Clean
Dimethicone Peg-8 Benzoate is the partial ester of PEG-8 Dimethicone and the Benzoic acid Science: Functions: Skin Conditioning Safety Ratings: CIR: Safe as used
CAS #
521913-22-4
Form
Liquid
See origin →
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Locks in moisture
Traditional Use
A modern silicone emulsifier combining dimethicone with polyethylene glycol and benzoate chemistry. Developed to provide texture and stability benefits in contemporary cosmetic products.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe w/Qualifications
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR