PPG-4 Oleth-10 Dimethicone
molecular structure · PubChem
AKA: Polypropylene Glycol 4 Oleth-10 Dimethicone, Silicone Emulsifier
Synthetic
Occlusive
Silicone
Not Clean
OriginSynthesized from silicone polymers combined with polyethylene glycol and oleyl alcohol through chemical coupling reactions. Produced by esterification and etherification of dimethicone with polyoxyethylene and oleth-10 components.
Siloxanes and Silicones, hydropoly(oxy-1-methylethylene) methyl, 9(Z)-octadecylpoly(oxyethylene) methyl, dimethyl
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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
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.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2014
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR
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