Sodium Oleoyl Lactylate

AKA: 42415-80-5, Sodium 2-(1-carboxylatoethoxy)-1-methyl-2-oxoethyl oleate, 2-(1-carboxyethoxy)-1-methyl-2-oxoethyl ester, Sodium salt, LJXQVMLSQZESSP-AFEZEDKISA-M
Synthetic
Cleanser
Emulsifier
Chemical Exfoliant
Plant Oil
Not Clean
Sodium 2-(1-carboxylatoethoxy)-1-methyl-2-oxoethyl oleate
Formula
C24H41NaO6
Mol. Weight
448.60
CAS #
42415-80-5
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
Developed in the late 20th century as a mild surfactant combining oleic acid (from olive oil) with lactic acid. Created to provide gentle cleansing suitable for sensitive skin and baby care products.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
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: PubChem · CosIng · EWG · CIR