PEG/PPG-20/15 Dimethicone

PEG/PPG-20/15 Dimethicone 1
PEG/PPG-20/15 Dimethicone 2
PEG/PPG-20/15 Dimethicone 3
PEG/PPG-20/15 Dimethicone 4
AKA: Silicone Glycol Copolymer, Dimethicone Copolyol
Synthetic
Cleanser
Emulsifier
Silicone
Clean
Siloxanes and silicones, dimethyl, 3-hydroxypropyl methyl, ethoxylated, propoxylated (20 mol EO, 15 mol PO average molar ratio)
Form
Liquid
Functions
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Emulsifier
Mixes Oil & Water
Traditional Use
A silicone-based copolymer developed for cosmetic applications in the latter half of the 20th century. Formulated to improve product spreadability and provide skin conditioning benefits.
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
CANADA✔ permitted
Regulatory Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed3 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR