murphyLauryl PEG-9 Polydimethylsiloxyethyl Dimethicone
molecular structure · PubChem
AKA: Silicone Surfactant, Polydimethylsiloxane
Synthetic
Cleanser
Skin Conditioner
Hair Care
Silicone
Clean
OriginSynthesized from silicone polymers and lauryl alcohol through chemical coupling and polyethylene glycol modification. Produced via condensation reactions combining dimethicone backbone with PEG chains and alkyl substituents.
Siloxanes and Silicones, dodecyl methyl, 2-trimethylsilylpoly(oxydimethylsilyl)ethyl methyl, dimethyl
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Locks in moisture
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.
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
1 study / 1 not sensitizing (CIR 664)
Eye Irritant in Testing
1 study / 1 irritating / reactions slight (CIR 664)
Skin Irritant in Testing
1 study / 1 irritating / reactions slight (CIR 664)
Concentration Guide
Leave-on0.2–6%
Rinse-offNot reported
0%50%100%
CIR reported use · report published 2014
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR