Hydrolyzed Soy Protein Extract

AKA: Soy Protein Hydrolysate

Allergen Warning

⚠️ Soy

Plant-Derived

Skin Conditioner

Extract

Not Clean

Hydrolyzed Soy Protein Extract is the hydrolysate of Soy Protein Extract derived by acid, enzyme or other method of hydrolysis

CAS #

68607-88-5

Form

Liquid

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.

Locks in moisture

Traditional Use

Soy fermentation has been central to Asian beauty traditions for centuries. Modern hydrolyzed soy protein extracts were developed to isolate and concentrate bioactive compounds from soy for enhanced skin benefits and antioxidant properties.

EWG

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

Regulatory Agencies

EWG CIR FDA EU COSING Health Canada

Skin Types

●all-skin-types

Best For

Dryness

Pregnancy & Breastfeeding Safe

Yes

The paper trail

🔬Peer-reviewed1 paper →

⚖️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