Sodium Stearoyl Lactylate

AKA: 25383-99-7, Sodium stearoyl-2-lactylate, Sodium 2-stearoyllactate, Sodium stelate, Sodium stearyl-2-lactylate, EMULSILAC SK

Synthetic

Skin Conditioner

Chemical Exfoliant

Synthetic

Clean

The Panel concluded that the following alkanoyl lactyl lactate salts are safe in cosmetics in the present practices of use and concentration described in the safety assessment, when formulated to be non-irritating and non-sensitizing, which may be based on a QRA or other accepted methodologies...Sodium Stearoyl Lactylate...

Solubility Insoluble in water. Soluble in ethanol

Formula

C24H43NaO6

Mol. Weight

450.60

CAS #

25383-99-7, 18200-72-1

State

Dry Powder

Functions

Skin Conditioning

A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.

Emulsifier

Mixes Oil & Water

Traditional Use

This is the CAS number for Zinc Pyrithione, an antimicrobial compound developed in the 1930s. Originally created for antifouling ship paints, it was later adopted in the 1950s for dandruff and scalp care products.

EWG

CIR

Insufficient

Pregnancy

—

CIR Safety Findings

all-shades-safe

Regulatory Status

USAunder review

CANADA✔ permitted

Regulatory Agencies

EWG CIR FDA Health Canada

Skin Types

●all-skin-types

Best For

General

The paper trail

🔬Peer-reviewed1 paper →

⚖️Regulatory0 listings

🛡️Safety-assessed2 reviews →

Counts, not a verdict. A listing isn't a study. The trail, you decide.