PPG-6 C9-11 Pareth-5

PPG-6 C9-11 Pareth-5 molecular structure
molecular structure · PubChem
AKA: Polypropylene Glycol Pareth
Synthetic
Cleanser
Emulsifier
Not Clean
Alcohols, C9-11-branched and linear, ethoxylated propoxylated (5 mol EO; 6 mol PO average molar ratios)
CAS #
154518-36-2
Functions
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.
Cleansing Surfactant
Emulsifier
Removes Impurities
Mixes Oil & Water
Traditional Use
A modern polymeric emulsifier created in the mid-20th century for the cosmetics industry. Formulated to improve texture and stability in personal care products with mixed hydrophilic-lipophilic properties.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not an Irritant
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: CosIng · EWG · CIR