Hydrolyzed Soy Starch
AKA “Soy Starch Hydrolysate
Skin Conditioning
Ingredient Facts
Hydrolyzed soy starch
AKA: Soy Starch Hydrolysate
Skin Conditioning · Skin Conditioning · EWG: 4
Synthetic
Skin Conditioner
Not Clean
Soy starch, Glycine soja, hydrolyzed
CAS #
68412-29-3
Form
Powder
See origin →
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 has traditional use in Asian skincare and medicine. Hydrolyzed soy starch is a modern ingredient developed to provide texture, absorbency, and skin-conditioning properties in contemporary cosmetic formulations.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Allergen Warning
⚠️ Soy
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
Dermal absorption: 2%. Source: CIR Safety Assessment (CIR Seq 680).
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR