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Glyceryl Starch
AKA “Starch Ester, Modified Starch”
Ingredient
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Ingredient Facts
Glyceryl starch
AKA: Starch Ester, Modified Starch
Ingredient · Binding · EWG: 1
Synthetic
Clean
Starch, 1,2,3-propanetriol ethers
Form
Powder
See origin →
Functions
Absorbent
Binding
Absorbs Excess Oil
Holds Formula Together
Holds ingredients together
Traditional Use
A modern derived ingredient created by chemically modifying starch with glycerin in the 20th century. Used in cosmetics as a thickening and stabilizing agent with no traditional use.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
1
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
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR