Avena sativa (Oat) starch

AKA: Common Oat, Oat Starch
Plant-Derived Synthetic
Clean
OriginNative to Europe. Derived from oat seeds (Avena sativa) of the Poaceae grass family, primarily grown in Europe. Extracted through mechanical grinding and separation of the seed endosperm to isolate the starch granules.
Avena Sativa (Oat) Starch is a cosmetic ingredient used as absorbent, viscosity controlling. Rated low hazard by EWG. Assessed as safe by the CIR.
CAS #
9005-25-8
Form
Powder
Skin Types
●all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Absorbent
Viscosity Controlling
Absorbs Excess Oil
Controls Viscosity
Antioxidant Protection
Reduces Inflammation
Wound Healing
Controls product thickness
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-on0.1–9.5%
Rinse-off3.6%
0%50%100%
CIR reported use · 2013 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: Kew POWO · CosIng · EWG · CIR