Soy Sterol Acetate

AKA: Soybean Sterol Acetate

Allergen Warning

⚠️ Soy

Synthetic

Cleanser

Emulsifier

Skin Conditioner

Not Clean

Sterols, soybean, acetates

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.

Emulsifying

Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.

Locks in moisture

Traditional Use

A modern derivative of plant sterols from soybeans. Developed for use in cosmetics as an emollient and skin-conditioning agent with potential anti-inflammatory properties.

EWG

CIR

Safe as used

Pregnancy

Caution

CIR Safety Findings

Not a Sensitizer

medical-approval

all-shades-safe

Regulatory Status

USA✔ permitted

EU⚠ restricted

JAPAN⚠ restricted

CANADA⚠ restricted

Regulatory Agencies

EWG CIR FDA EU COSING Health Canada

Skin Types

●all-skin-types

Best For

Dryness

Pregnancy & Breastfeeding Safe

Caution

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