C40-60 Pareth-3

C40-60 Pareth-3 molecular structure
molecular structure · PubChem
AKA: Long-chain Pareth-3, Surfactant
Synthetic
Cleanser
Emulsifier
Plant Oil
Not Clean
Alcohols, C40-60, ethoxylated (3 mol EO average molar ratio)
CAS #
246538-86-3
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 synthetic emulsifier created as an alternative to traditional soap and plant-based emulsifiers, designed for improved solubility and stability in modern cosmetic products.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
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