Hydrolyzed Potato Protein

AKA: Potato Protein Hydrolysate, Hydrolyzed Potato Proteins

Synthetic

Skin Conditioner

Hair Care

Clean

Hydrolyzed Potato Protein is the hydrolysate of potato protein derived by acid, enzyme or other method of hydrolysis

CAS #

169590-59-4

Form

Powder

State

Solid

Skin Types

●all-skin-types

Best For

Dryness

Pregnancy & Breastfeeding Safe

Yes

Functions

Antistatic

Hair Conditioning

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

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

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.

EWG

CIR

Safe as used

Pregnancy

Yes

CIR Safety Findings

Not a Sensitizer

1 study / 1 not sensitizing (CIR 733)

Concentration Guide

Leave-on0.75–2.4%

Rinse-offNot reported

0%50%100%

CIR reported use · report published 2022

Regulatory Status

USA✔ permitted

EU⚠ restricted

JAPAN⚠ restricted

CANADA⚠ restricted

Regulatory Agencies

Verified Jun 2026

Data: CosIng · EWG · CIR