Glyceryl Starch

AKA: Starch Ester, Modified Starch
Synthetic
Clean
OriginDerived from plant starches, typically corn, potato, or tapioca, combined with glycerol. Created through etherification, chemically bonding starch molecules with glycerol under controlled conditions.
Starch, 1,2,3-propanetriol ethers
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Absorbent
Binding
Absorbs Excess Oil
Holds Formula Together
Holds ingredients together
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
Leave-on4%
Rinse-offNot reported
0%50%100%
CIR reported use · 2013 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR