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Starch Acetate/Adipate
AKA “Acetylated Adipated Starch, Modified Starch”
Ingredient
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Ingredient Facts
Starch acetate/adipate
AKA: Acetylated Adipated Starch, Modified Starch
Ingredient · Viscosity Controlling · EWG: 4
Synthetic
Not Clean
Starch Acetate/Adipate is the product obtained by the reaction of Zea Mays (Corn) Starch with Adipic Acid and acetic anhydride
CAS #
-
Form
Powder
See origin →
Functions
Viscosity Controlling
Controls Viscosity
Wound Healing
Locks In Moisture
Traditional Use
Synthetic starch ester developed for cosmetics in the mid-20th century. Combines acetate and adipate modifications to improve starch's water resistance and binding properties, used as a texture modifier in powders and dry cosmetics.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR