Dimethicone PEG-8 Benzoate
AKA: Modified Silicone, Silicone Benzoate
Synthetic
Skin Conditioner
Silicone
Clean
Dimethicone Peg-8 Benzoate is the partial ester of PEG-8 Dimethicone and the Benzoic acid
CAS #
521913-22-4
Form
Liquid
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.
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.
EWG
2
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-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR