Starch Acetate/Adipate
AKA: Acetylated Adipated Starch, Modified Starch
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
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.
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 Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR