Dimethicone PEG/PPG-12/4 Phosphate
AKA: Modified Silicone, Silicone Phosphate
Synthetic
Cleanser
Emulsifier
Silicone
Clean
Dimethicone PEG/PPG-12/4 Phosphate is the partial ester of phosphoric acid and a derivative of Dimethicone containing an average of 12 moles of ethylene oxide and 4 moles of propylene oxide
Form
Liquid
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Removes Impurities
Cleansing Surfactant
Emulsifier
Locks In Moisture
Mixes Oil & Water
Traditional Use
A modern silicone-based emulsifier developed in the late 20th century. Created to help blend silicone and water-based ingredients in cosmetic formulations that would otherwise be incompatible.
EWG
2
CIR
Safe as used
Pregnancy
Yes
Restricted By
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